Directions:Read the passages and choose the best answer to each question.PassageRadon is a radioactive gas that occurs naturally in the environment as a result of the decay of uranium. If inhaled into the lungs at high concentrations and over a long period of time, radon gas can increase the chance that an individual will develop lung cancer.Outdoors, radon levels are rarely high enough to pose a health threat to individuals. Indoors, however, radon is a concern because it can seep into the foundation of a home through the ground and accumulate in areas with little ventilation, where levels can then become threatening. Radon gas can seep from the ground through many different pathways, such as cracks in the basement and#64258;oor, through drains and sump pumps, or through loose-and#64257;tting pipes.The only way to detect radon levels is through testing, using a specialized sensing device. Radon is colorless and odorless, and the levels are constantly changing from one area to the next and from one day to the next. In addition, radon exposure produces no short-term health symptoms.Therefore, radon levels should be monitored on a regular basis.Radon potential is an estimate of the radon level of a structure measured in picocuries per liter of air (pCi/L).A picocurie is one-trillionth of a Curie (a measurement unit of radioactivity). The Environmental Protection Agency (EPA) assigns each county in the United States to a zone, based on its radon potential. Radon potential is not used to determine which houses should be tested in an area.Instead, levels are used to determine if radon-resistant features should be installed in new structures being built in an area. Table 1 shows the radon levels in pCi/L for each of 3 zones, with areas in Zone 1 indicating a high radon potential, areas in Zone 2 indicating a moderate radon potential, and areas in Zone 3 indicating a low radon potential.Q.According to the passage, which of the following radon levels would be considered most harmful?a)5.2 pCi/Lb)4.0 pCi/Lc)3.0 pCi/Ld)1.9 pCi/LCorrect answer is option 'A'. Can you explain this answer?

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Directions: Read the passages and choose the best answer to each question.
Passage
Radon is a radioactive gas that occurs naturally in the environment as a result of the decay of uranium. If inhaled into the lungs at high concentrations and over a long period of time, radon gas can increase the chance that an individual will develop lung cancer.
Outdoors, radon levels are rarely high enough to pose a health threat to individuals. Indoors, however, radon is a concern because it can seep into the foundation of a home through the ground and accumulate in areas with little ventilation, where levels can then become threatening. Radon gas can seep from the ground through many different pathways, such as cracks in the basement ﬂoor, through drains and sump pumps, or through loose-ﬁtting pipes.
The only way to detect radon levels is through testing, using a specialized sensing device. Radon is colorless and odorless, and the levels are constantly changing from one area to the next and from one day to the next. In addition, radon exposure produces no short-term health symptoms.
Therefore, radon levels should be monitored on a regular basis.
Radon potential is an estimate of the radon level of a structure measured in picocuries per liter of air (pCi/L).
A picocurie is one-trillionth of a Curie (a measurement unit of radioactivity). The Environmental Protection Agency (EPA) assigns each county in the United States to a zone, based on its radon potential. Radon potential is not used to determine which houses should be tested in an area.
Instead, levels are used to determine if radon-resistant features should be installed in new structures being built in an area. Table 1 shows the radon levels in pCi/L for each of 3 zones, with areas in Zone 1 indicating a high radon potential, areas in Zone 2 indicating a moderate radon potential, and areas in Zone 3 indicating a low radon potential.

Q. According to the passage, which of the following radon levels would be considered most harmful?

a)
5.2 pCi/L
b)
4.0 pCi/L
c)
3.0 pCi/L
d)
1.9 pCi/L

Correct answer is option 'A'. Can you explain this answer?

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Directions:Read the passages and choose the best answer to each questi...

The best answer is A. Radon potential is deﬁned as “an estimate of the radon level of a structure.” According to the passage, Zone 1 includes areas with a high radon potential. Table 1 indicates that the pCi/L levels in Zone 1 are greater than 4. Therefore, a radon level of 5.2 pCi/L would be considered the most harmful.

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Directions:Read the passages and choose the best answer to each question.PassageRadon is a radioactive gas that occurs naturally in the environment as a result of the decay of uranium. If inhaled into the lungs at high concentrations and over a long period of time, radon gas can increase the chance that an individual will develop lung cancer.Outdoors, radon levels are rarely high enough to pose a health threat to individuals. Indoors, however, radon is a concern because it can seep into the foundation of a home through the ground and accumulate in areas with little ventilation, where levels can then become threatening. Radon gas can seep from the ground through many different pathways, such as cracks in the basement ﬂoor, through drains and sump pumps, or through loose-ﬁtting pipes.The only way to detect radon levels is through testing, using a specialized sensing device. Radon is colorless and odorless, and the levels are constantly changing from one area to the next and from one day to the next. In addition, radon exposure produces no short-term health symptoms.Therefore, radon levels should be monitored on a regular basis.Radon potential is an estimate of the radon level of a structure measured in picocuries per liter of air (pCi/L).A picocurie is one-trillionth of a Curie (a measurement unit of radioactivity). The Environmental Protection Agency (EP

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Directions:Read the passages and choose the best answer to each question.PassageRadon is a radioactive gas that occurs naturally in the environment as a result of the decay of uranium. If inhaled into the lungs at high concentrations and over a long period of time, radon gas can increase the chance that an individual will develop lung cancer.Outdoors, radon levels are rarely high enough to pose a health threat to individuals. Indoors, however, radon is a concern because it can seep into the foundation of a home through the ground and accumulate in areas with little ventilation, where levels can then become threatening. Radon gas can seep from the ground through many different pathways, such as cracks in the basement ﬂoor, through drains and sump pumps, or through loose-ﬁtting pipes.The only way to detect radon levels is through testing, using a specialized sensing device. Radon is colorless and odorless, and the levels are constantly changing from one area to the next and from one day to the next. In addition, radon exposure produces no short-term health symptoms.Therefore, radon levels should be monitored on a regular basis.Radon potential is an estimate of the radon level of a structure measured in picocuries per liter of air (pCi/L).A picocurie is one-trillionth of a Curie (a measurement unit of radioactivity). The Environmental Protection Agency (EP

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Directions:Read the passages and choose the best answer to each question.PassageRadon is a radioactive gas that occurs naturally in the environment as a result of the decay of uranium. If inhaled into the lungs at high concentrations and over a long period of time, radon gas can increase the chance that an individual will develop lung cancer.Outdoors, radon levels are rarely high enough to pose a health threat to individuals. Indoors, however, radon is a concern because it can seep into the foundation of a home through the ground and accumulate in areas with little ventilation, where levels can then become threatening. Radon gas can seep from the ground through many different pathways, such as cracks in the basement ﬂoor, through drains and sump pumps, or through loose-ﬁtting pipes.The only way to detect radon levels is through testing, using a specialized sensing device. Radon is colorless and odorless, and the levels are constantly changing from one area to the next and from one day to the next. In addition, radon exposure produces no short-term health symptoms.Therefore, radon levels should be monitored on a regular basis.Radon potential is an estimate of the radon level of a structure measured in picocuries per liter of air (pCi/L).A picocurie is one-trillionth of a Curie (a measurement unit of radioactivity). The Environmental Protection Agency (EP

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Directions:Read the passages and choose the best answer to each question.PassageTurf grasses are used throughout the United States in many suburban lawns. Kentucky bluegrass is the most common type of turf grass used in the northern part of the United States. To keep lawns green and healthy, many homeowners apply fertilizer up to ﬁve times a year. Inorganic fertilizers are becoming more popular, and contain three common elements – nitrogen, phosphorous, and potassium – for the development of plant color, strength, and health. Most turf grass lawns do not use all of the nutrients provided in the fertilizer, which means that much of the nitrogen, phosphorous, and potassium remains in the soil. When water enters the soil, it accumulates a portion of the excess nitrogen from the soil. This water, now termed leachate, ﬂows into surrounding waterways. The leaching of high concentrations of nitrogen into natural waterways can throw off the environmental equilibrium of the aquatic ecosystem, often resulting in an increase in plant growth that can have a negative impact on the native ﬁsh populations.A study was performed to examine the degree of nitrogen leaching in Kentucky bluegrass turf; 2 one-acre plots of turf were compared. The scientists conducting the study relied completely on natural rainwater to irrigate the test plots. Each plot received fertilizer applications containing different levels of nitrogen two times per week during the months of April and September for 5 years. The plots had a 5% slope to facilitate leaching; leachate was collected in one-liter jugs. The leachate collected from each plot was measured for nitrogen concentration.Plot A, received a low nitrogen application, 98 kilograms of N per acre from 2000 to 2004. Plot B, received an initially high nitrogen application, 245 kilograms of N per acre from 2000–2002. In the last year of the study, the amount of nitrogen in the fertilizer was decreased to 196 kilograms of N per acre for Plot B. Table 1 shows the average nitrogen concentration in milligrams per liter (mg/L) in the leachate collected from each plot during each year. Figure 1 shows the percent concentration of nitrogen in the leachate.Q.In 2005, it was found that average nitrogen levels in the leachate from Plot B were 8.2 mg/L. The data from the study supports which of the following conclusions?

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Directions:Read the passages and choose the best answer to each question.PassageTurf grasses are used throughout the United States in many suburban lawns. Kentucky bluegrass is the most common type of turf grass used in the northern part of the United States. To keep lawns green and healthy, many homeowners apply fertilizer up to ﬁve times a year. Inorganic fertilizers are becoming more popular, and contain three common elements – nitrogen, phosphorous, and potassium – for the development of plant color, strength, and health. Most turf grass lawns do not use all of the nutrients provided in the fertilizer, which means that much of the nitrogen, phosphorous, and potassium remains in the soil. When water enters the soil, it accumulates a portion of the excess nitrogen from the soil. This water, now termed leachate, ﬂows into surrounding waterways. The leaching of high concentrations of nitrogen into natural waterways can throw off the environmental equilibrium of the aquatic ecosystem, often resulting in an increase in plant growth that can have a negative impact on the native ﬁsh populations.A study was performed to examine the degree of nitrogen leaching in Kentucky bluegrass turf; 2 one-acre plots of turf were compared. The scientists conducting the study relied completely on natural rainwater to irrigate the test plots. Each plot received fertilizer applications containing different levels of nitrogen two times per week during the months of April and September for 5 years. The plots had a 5% slope to facilitate leaching; leachate was collected in one-liter jugs. The leachate collected from each plot was measured for nitrogen concentration.Plot A, received a low nitrogen application, 98 kilograms of N per acre from 2000 to 2004. Plot B, received an initially high nitrogen application, 245 kilograms of N per acre from 2000–2002. In the last year of the study, the amount of nitrogen in the fertilizer was decreased to 196 kilograms of N per acre for Plot B. Table 1 shows the average nitrogen concentration in milligrams per liter (mg/L) in the leachate collected from each plot during each year. Figure 1 shows the percent concentration of nitrogen in the leachate.Q.According to the Environmental Protection Agency, average nitrogen levels in leachate must be less than 10 mg/L to be safe for the environment. Based on this standard and the results of the study, which of the following fertilizer applications is considered safe?

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Directions:Read the passages and choose the best answer to each question.PassageRadon is a radioactive gas that occurs naturally in the environment as a result of the decay of uranium. If inhaled into the lungs at high concentrations and over a long period of time, radon gas can increase the chance that an individual will develop lung cancer.Outdoors, radon levels are rarely high enough to pose a health threat to individuals. Indoors, however, radon is a concern because it can seep into the foundation of a home through the ground and accumulate in areas with little ventilation, where levels can then become threatening. Radon gas can seep from the ground through many different pathways, such as cracks in the basement ﬂoor, through drains and sump pumps, or through loose-ﬁtting pipes.The only way to detect radon levels is through testing, using a specialized sensing device. Radon is colorless and odorless, and the levels are constantly changing from one area to the next and from one day to the next. In addition, radon exposure produces no short-term health symptoms.Therefore, radon levels should be monitored on a regular basis.Radon potential is an estimate of the radon level of a structure measured in picocuries per liter of air (pCi/L).A picocurie is one-trillionth of a Curie (a measurement unit of radioactivity). The Environmental Protection Agency (EPA) assigns each county in the United States to a zone, based on its radon potential. Radon potential is not used to determine which houses should be tested in an area.Instead, levels are used to determine if radon-resistant features should be installed in new structures being built in an area. Table 1 shows the radon levels in pCi/L for each of 3 zones, with areas in Zone 1 indicating a high radon potential, areas in Zone 2 indicating a moderate radon potential, and areas in Zone 3 indicating a low radon potential.Q.According to the passage, which of the following radon levels would be considered most harmful?a)5.2 pCi/Lb)4.0 pCi/Lc)3.0 pCi/Ld)1.9 pCi/LCorrect answer is option 'A'. Can you explain this answer?

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Directions:Read the passages and choose the best answer to each question.PassageRadon is a radioactive gas that occurs naturally in the environment as a result of the decay of uranium. If inhaled into the lungs at high concentrations and over a long period of time, radon gas can increase the chance that an individual will develop lung cancer.Outdoors, radon levels are rarely high enough to pose a health threat to individuals. Indoors, however, radon is a concern because it can seep into the foundation of a home through the ground and accumulate in areas with little ventilation, where levels can then become threatening. Radon gas can seep from the ground through many different pathways, such as cracks in the basement ﬂoor, through drains and sump pumps, or through loose-ﬁtting pipes.The only way to detect radon levels is through testing, using a specialized sensing device. Radon is colorless and odorless, and the levels are constantly changing from one area to the next and from one day to the next. In addition, radon exposure produces no short-term health symptoms.Therefore, radon levels should be monitored on a regular basis.Radon potential is an estimate of the radon level of a structure measured in picocuries per liter of air (pCi/L).A picocurie is one-trillionth of a Curie (a measurement unit of radioactivity). The Environmental Protection Agency (EPA) assigns each county in the United States to a zone, based on its radon potential. Radon potential is not used to determine which houses should be tested in an area.Instead, levels are used to determine if radon-resistant features should be installed in new structures being built in an area. Table 1 shows the radon levels in pCi/L for each of 3 zones, with areas in Zone 1 indicating a high radon potential, areas in Zone 2 indicating a moderate radon potential, and areas in Zone 3 indicating a low radon potential.Q.According to the passage, which of the following radon levels would be considered most harmful?a)5.2 pCi/Lb)4.0 pCi/Lc)3.0 pCi/Ld)1.9 pCi/LCorrect answer is option 'A'. Can you explain this answer? for ACT 2025 is part of ACT preparation. The Question and answers have been prepared according to the ACT exam syllabus. Information about Directions:Read the passages and choose the best answer to each question.PassageRadon is a radioactive gas that occurs naturally in the environment as a result of the decay of uranium. If inhaled into the lungs at high concentrations and over a long period of time, radon gas can increase the chance that an individual will develop lung cancer.Outdoors, radon levels are rarely high enough to pose a health threat to individuals. Indoors, however, radon is a concern because it can seep into the foundation of a home through the ground and accumulate in areas with little ventilation, where levels can then become threatening. Radon gas can seep from the ground through many different pathways, such as cracks in the basement ﬂoor, through drains and sump pumps, or through loose-ﬁtting pipes.The only way to detect radon levels is through testing, using a specialized sensing device. Radon is colorless and odorless, and the levels are constantly changing from one area to the next and from one day to the next. In addition, radon exposure produces no short-term health symptoms.Therefore, radon levels should be monitored on a regular basis.Radon potential is an estimate of the radon level of a structure measured in picocuries per liter of air (pCi/L).A picocurie is one-trillionth of a Curie (a measurement unit of radioactivity). The Environmental Protection Agency (EPA) assigns each county in the United States to a zone, based on its radon potential. Radon potential is not used to determine which houses should be tested in an area.Instead, levels are used to determine if radon-resistant features should be installed in new structures being built in an area. Table 1 shows the radon levels in pCi/L for each of 3 zones, with areas in Zone 1 indicating a high radon potential, areas in Zone 2 indicating a moderate radon potential, and areas in Zone 3 indicating a low radon potential.Q.According to the passage, which of the following radon levels would be considered most harmful?a)5.2 pCi/Lb)4.0 pCi/Lc)3.0 pCi/Ld)1.9 pCi/LCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for ACT 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Directions:Read the passages and choose the best answer to each question.PassageRadon is a radioactive gas that occurs naturally in the environment as a result of the decay of uranium. If inhaled into the lungs at high concentrations and over a long period of time, radon gas can increase the chance that an individual will develop lung cancer.Outdoors, radon levels are rarely high enough to pose a health threat to individuals. Indoors, however, radon is a concern because it can seep into the foundation of a home through the ground and accumulate in areas with little ventilation, where levels can then become threatening. Radon gas can seep from the ground through many different pathways, such as cracks in the basement ﬂoor, through drains and sump pumps, or through loose-ﬁtting pipes.The only way to detect radon levels is through testing, using a specialized sensing device. Radon is colorless and odorless, and the levels are constantly changing from one area to the next and from one day to the next. In addition, radon exposure produces no short-term health symptoms.Therefore, radon levels should be monitored on a regular basis.Radon potential is an estimate of the radon level of a structure measured in picocuries per liter of air (pCi/L).A picocurie is one-trillionth of a Curie (a measurement unit of radioactivity). The Environmental Protection Agency (EPA) assigns each county in the United States to a zone, based on its radon potential. Radon potential is not used to determine which houses should be tested in an area.Instead, levels are used to determine if radon-resistant features should be installed in new structures being built in an area. Table 1 shows the radon levels in pCi/L for each of 3 zones, with areas in Zone 1 indicating a high radon potential, areas in Zone 2 indicating a moderate radon potential, and areas in Zone 3 indicating a low radon potential.Q.According to the passage, which of the following radon levels would be considered most harmful?a)5.2 pCi/Lb)4.0 pCi/Lc)3.0 pCi/Ld)1.9 pCi/LCorrect answer is option 'A'. Can you explain this answer?.

Solutions for Directions:Read the passages and choose the best answer to each question.PassageRadon is a radioactive gas that occurs naturally in the environment as a result of the decay of uranium. If inhaled into the lungs at high concentrations and over a long period of time, radon gas can increase the chance that an individual will develop lung cancer.Outdoors, radon levels are rarely high enough to pose a health threat to individuals. Indoors, however, radon is a concern because it can seep into the foundation of a home through the ground and accumulate in areas with little ventilation, where levels can then become threatening. Radon gas can seep from the ground through many different pathways, such as cracks in the basement ﬂoor, through drains and sump pumps, or through loose-ﬁtting pipes.The only way to detect radon levels is through testing, using a specialized sensing device. Radon is colorless and odorless, and the levels are constantly changing from one area to the next and from one day to the next. In addition, radon exposure produces no short-term health symptoms.Therefore, radon levels should be monitored on a regular basis.Radon potential is an estimate of the radon level of a structure measured in picocuries per liter of air (pCi/L).A picocurie is one-trillionth of a Curie (a measurement unit of radioactivity). The Environmental Protection Agency (EPA) assigns each county in the United States to a zone, based on its radon potential. Radon potential is not used to determine which houses should be tested in an area.Instead, levels are used to determine if radon-resistant features should be installed in new structures being built in an area. Table 1 shows the radon levels in pCi/L for each of 3 zones, with areas in Zone 1 indicating a high radon potential, areas in Zone 2 indicating a moderate radon potential, and areas in Zone 3 indicating a low radon potential.Q.According to the passage, which of the following radon levels would be considered most harmful?a)5.2 pCi/Lb)4.0 pCi/Lc)3.0 pCi/Ld)1.9 pCi/LCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for ACT. Download more important topics, notes, lectures and mock test series for ACT Exam by signing up for free.

Here you can find the meaning of Directions:Read the passages and choose the best answer to each question.PassageRadon is a radioactive gas that occurs naturally in the environment as a result of the decay of uranium. If inhaled into the lungs at high concentrations and over a long period of time, radon gas can increase the chance that an individual will develop lung cancer.Outdoors, radon levels are rarely high enough to pose a health threat to individuals. Indoors, however, radon is a concern because it can seep into the foundation of a home through the ground and accumulate in areas with little ventilation, where levels can then become threatening. Radon gas can seep from the ground through many different pathways, such as cracks in the basement ﬂoor, through drains and sump pumps, or through loose-ﬁtting pipes.The only way to detect radon levels is through testing, using a specialized sensing device. Radon is colorless and odorless, and the levels are constantly changing from one area to the next and from one day to the next. In addition, radon exposure produces no short-term health symptoms.Therefore, radon levels should be monitored on a regular basis.Radon potential is an estimate of the radon level of a structure measured in picocuries per liter of air (pCi/L).A picocurie is one-trillionth of a Curie (a measurement unit of radioactivity). The Environmental Protection Agency (EPA) assigns each county in the United States to a zone, based on its radon potential. Radon potential is not used to determine which houses should be tested in an area.Instead, levels are used to determine if radon-resistant features should be installed in new structures being built in an area. Table 1 shows the radon levels in pCi/L for each of 3 zones, with areas in Zone 1 indicating a high radon potential, areas in Zone 2 indicating a moderate radon potential, and areas in Zone 3 indicating a low radon potential.Q.According to the passage, which of the following radon levels would be considered most harmful?a)5.2 pCi/Lb)4.0 pCi/Lc)3.0 pCi/Ld)1.9 pCi/LCorrect answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Directions:Read the passages and choose the best answer to each question.PassageRadon is a radioactive gas that occurs naturally in the environment as a result of the decay of uranium. If inhaled into the lungs at high concentrations and over a long period of time, radon gas can increase the chance that an individual will develop lung cancer.Outdoors, radon levels are rarely high enough to pose a health threat to individuals. Indoors, however, radon is a concern because it can seep into the foundation of a home through the ground and accumulate in areas with little ventilation, where levels can then become threatening. Radon gas can seep from the ground through many different pathways, such as cracks in the basement ﬂoor, through drains and sump pumps, or through loose-ﬁtting pipes.The only way to detect radon levels is through testing, using a specialized sensing device. Radon is colorless and odorless, and the levels are constantly changing from one area to the next and from one day to the next. In addition, radon exposure produces no short-term health symptoms.Therefore, radon levels should be monitored on a regular basis.Radon potential is an estimate of the radon level of a structure measured in picocuries per liter of air (pCi/L).A picocurie is one-trillionth of a Curie (a measurement unit of radioactivity). The Environmental Protection Agency (EPA) assigns each county in the United States to a zone, based on its radon potential. Radon potential is not used to determine which houses should be tested in an area.Instead, levels are used to determine if radon-resistant features should be installed in new structures being built in an area. Table 1 shows the radon levels in pCi/L for each of 3 zones, with areas in Zone 1 indicating a high radon potential, areas in Zone 2 indicating a moderate radon potential, and areas in Zone 3 indicating a low radon potential.Q.According to the passage, which of the following radon levels would be considered most harmful?a)5.2 pCi/Lb)4.0 pCi/Lc)3.0 pCi/Ld)1.9 pCi/LCorrect answer is option 'A'. Can you explain this answer?, a detailed solution for Directions:Read the passages and choose the best answer to each question.PassageRadon is a radioactive gas that occurs naturally in the environment as a result of the decay of uranium. If inhaled into the lungs at high concentrations and over a long period of time, radon gas can increase the chance that an individual will develop lung cancer.Outdoors, radon levels are rarely high enough to pose a health threat to individuals. Indoors, however, radon is a concern because it can seep into the foundation of a home through the ground and accumulate in areas with little ventilation, where levels can then become threatening. Radon gas can seep from the ground through many different pathways, such as cracks in the basement ﬂoor, through drains and sump pumps, or through loose-ﬁtting pipes.The only way to detect radon levels is through testing, using a specialized sensing device. Radon is colorless and odorless, and the levels are constantly changing from one area to the next and from one day to the next. In addition, radon exposure produces no short-term health symptoms.Therefore, radon levels should be monitored on a regular basis.Radon potential is an estimate of the radon level of a structure measured in picocuries per liter of air (pCi/L).A picocurie is one-trillionth of a Curie (a measurement unit of radioactivity). The Environmental Protection Agency (EPA) assigns each county in the United States to a zone, based on its radon potential. Radon potential is not used to determine which houses should be tested in an area.Instead, levels are used to determine if radon-resistant features should be installed in new structures being built in an area. Table 1 shows the radon levels in pCi/L for each of 3 zones, with areas in Zone 1 indicating a high radon potential, areas in Zone 2 indicating a moderate radon potential, and areas in Zone 3 indicating a low radon potential.Q.According to the passage, which of the following radon levels would be considered most harmful?a)5.2 pCi/Lb)4.0 pCi/Lc)3.0 pCi/Ld)1.9 pCi/LCorrect answer is option 'A'. Can you explain this answer? has been provided alongside types of Directions:Read the passages and choose the best answer to each question.PassageRadon is a radioactive gas that occurs naturally in the environment as a result of the decay of uranium. If inhaled into the lungs at high concentrations and over a long period of time, radon gas can increase the chance that an individual will develop lung cancer.Outdoors, radon levels are rarely high enough to pose a health threat to individuals. Indoors, however, radon is a concern because it can seep into the foundation of a home through the ground and accumulate in areas with little ventilation, where levels can then become threatening. Radon gas can seep from the ground through many different pathways, such as cracks in the basement ﬂoor, through drains and sump pumps, or through loose-ﬁtting pipes.The only way to detect radon levels is through testing, using a specialized sensing device. Radon is colorless and odorless, and the levels are constantly changing from one area to the next and from one day to the next. In addition, radon exposure produces no short-term health symptoms.Therefore, radon levels should be monitored on a regular basis.Radon potential is an estimate of the radon level of a structure measured in picocuries per liter of air (pCi/L).A picocurie is one-trillionth of a Curie (a measurement unit of radioactivity). The Environmental Protection Agency (EPA) assigns each county in the United States to a zone, based on its radon potential. Radon potential is not used to determine which houses should be tested in an area.Instead, levels are used to determine if radon-resistant features should be installed in new structures being built in an area. Table 1 shows the radon levels in pCi/L for each of 3 zones, with areas in Zone 1 indicating a high radon potential, areas in Zone 2 indicating a moderate radon potential, and areas in Zone 3 indicating a low radon potential.Q.According to the passage, which of the following radon levels would be considered most harmful?a)5.2 pCi/Lb)4.0 pCi/Lc)3.0 pCi/Ld)1.9 pCi/LCorrect answer is option 'A'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Directions:Read the passages and choose the best answer to each question.PassageRadon is a radioactive gas that occurs naturally in the environment as a result of the decay of uranium. If inhaled into the lungs at high concentrations and over a long period of time, radon gas can increase the chance that an individual will develop lung cancer.Outdoors, radon levels are rarely high enough to pose a health threat to individuals. Indoors, however, radon is a concern because it can seep into the foundation of a home through the ground and accumulate in areas with little ventilation, where levels can then become threatening. Radon gas can seep from the ground through many different pathways, such as cracks in the basement ﬂoor, through drains and sump pumps, or through loose-ﬁtting pipes.The only way to detect radon levels is through testing, using a specialized sensing device. Radon is colorless and odorless, and the levels are constantly changing from one area to the next and from one day to the next. In addition, radon exposure produces no short-term health symptoms.Therefore, radon levels should be monitored on a regular basis.Radon potential is an estimate of the radon level of a structure measured in picocuries per liter of air (pCi/L).A picocurie is one-trillionth of a Curie (a measurement unit of radioactivity). The Environmental Protection Agency (EPA) assigns each county in the United States to a zone, based on its radon potential. Radon potential is not used to determine which houses should be tested in an area.Instead, levels are used to determine if radon-resistant features should be installed in new structures being built in an area. Table 1 shows the radon levels in pCi/L for each of 3 zones, with areas in Zone 1 indicating a high radon potential, areas in Zone 2 indicating a moderate radon potential, and areas in Zone 3 indicating a low radon potential.Q.According to the passage, which of the following radon levels would be considered most harmful?a)5.2 pCi/Lb)4.0 pCi/Lc)3.0 pCi/Ld)1.9 pCi/LCorrect answer is option 'A'. Can you explain this answer? tests, examples and also practice ACT tests.

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