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Explorers have discovered a new planet, Planet K. It is known that Planet K has magnetic poles to similar to those of Earth, so the explorers decide that using a compass to navigate is possible. When navigating Planet K's surface, it is discovered that the compass points north for a distance then flips so that it points north in the opposite direction for a distance, before returning to pointing north in the original direction. It is known that the magnetic poles of the planet flip every 100 years. Weather is recorded on the planet for 250 years. 
How does the flipping of the magnetic poles affect the weather on Planet K?
  • a)
    Cannot be determined from the given information
  • b)
    It causes a sharp temperature decrease and a reduction in precipitation
  • c)
    It causes the temperature to increase, but the precipitation to decrease
  • d)
    It causes the temperature to decrease, but the precipitation to increase
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Explorers have discovered a new planet, Planet K. It is known that Pla...
It can be seen in the data table that in the years 0, 100 and 200 the temperature is well below zero and the precipitation is much less than that recorded in the years 50, 150 and 250. Since the poles flip direction every 100 years it is reasonable to assume that the flipping of the poles causes a decrease in temperature and a reduction in the precipitation. 
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Directions:Read the passages and choose the best answer to each question.PassageNATURAL SCIENCE: The Great Pyramid at Giza: Its Composition and StructureThe Great Pyramid at Giza is arguably one of themost fascinating and contentious piece of architecturein the world. In the 1980s, researchers began focusingon studying the mortar from the pyramid, hoping it(5) would reveal important clues about the pyramid’s ageand construction. Instead of clarifying or expungingolder theories about the Great Pyramid’s age, the resultsof the study left the researchers mystified.Robert J. Wenke from the University of(10) Washington received authorization to collect mortarsamples from some of the famous ancient constructionsites. Among these sites was the Great Pyramid. Themortar that Wenke discovered was formed by particlesof pollen, charcoal, and other organic matter. By using(15) radiocarbon dating, scientists were able to make somedisconcerting discoveries. After adjusting the data, themortar revealed that the pyramid must have been builtbetween 3100 BC and 2850 BC with an average dateof 2977 BC. This discovery was controversial because(20) these dates claimed that the structure was built over400 years earlier than most archaeologists originallybelieved it had been constructed.Furthermore, archaeologists discovered somethingeven more anomalous. Most of the mortar samples(25) collected appeared to be little more than processedgypsum with traces of sand and limestone. The sandand limestone found in the gypsum were not added butwere actually contaminants of the processed gypsum.The mortar used to build the Great Pyramid is of an(30) unknown origin. It has been analyzed repeatedly and itschemical composition has been established. However,even using modern techniques, scientists have beenunable to reproduce it. The gypsum mortar is strongerthan the stone on the pyramid and the mortar is still(35) intact today, thousands of years after the pyramid wasbuilt. This mortar was not used to bond the heavy stoneblocks together like cement mortar does with modernbricks. Instead, the gypsum mortar’s role was to bufferthe joints and to reduce friction as the enormous blocks(40) were put into place.Examining the mortar from the Great Pyramidassists scientists in making inferences about Egypt’spast. Researchers questioned why the Egyptian builderswould choose to use gypsum mortar over lime mortar.(45) Egypt had numerous limestone mines that could havebeen used to create a more durable lime mortar. Despitethe abundance of lime, there is no evidence of limemortar being used in Egypt until 2500 years after thepyramids were built. Researchers then began to deter-(50) mine why the more water-soluble gypsum would havebeen preferred. They discovered that gypsum wouldhave been easier to mine than limestone. In addition,the Egyptian builders discovered that when gypsum isheated to approximately 265 degrees Fahrenheit, some(55) of the moisture is excluded. When the processed gyp-sum is mixed with water again, the resulting substanceis used for the mortar.Despite having significant mineral resources,Egypt has few natural fuels available. The 265 degree(60) Fahrenheit temperatures needed to process the gypsumand turn it into mortar can be achieved with the heat ofan open fire. On the other hand, to make lime mortar,extremely high temperatures of around 1800 degreesFahrenheit are needed. Most historians conjecture that(65) the high heat needed to process limestone is the reasonlime mortar was not used. The shortage of natural fuelsources would most likely have made the creation oflime mortar highly uneconomical.Q.The passage indicates that researchers believed that examination of the mortar would reveal information regarding the Great Pyramid’s

Directions:Read the passages and choose the best answer to each question.PassageNATURAL SCIENCE: The Great Pyramid at Giza: Its Composition and StructureThe Great Pyramid at Giza is arguably one of themost fascinating and contentious piece of architecturein the world. In the 1980s, researchers began focusingon studying the mortar from the pyramid, hoping it(5) would reveal important clues about the pyramid’s ageand construction. Instead of clarifying or expungingolder theories about the Great Pyramid’s age, the resultsof the study left the researchers mystified.Robert J. Wenke from the University of(10) Washington received authorization to collect mortarsamples from some of the famous ancient constructionsites. Among these sites was the Great Pyramid. Themortar that Wenke discovered was formed by particlesof pollen, charcoal, and other organic matter. By using(15) radiocarbon dating, scientists were able to make somedisconcerting discoveries. After adjusting the data, themortar revealed that the pyramid must have been builtbetween 3100 BC and 2850 BC with an average dateof 2977 BC. This discovery was controversial because(20) these dates claimed that the structure was built over400 years earlier than most archaeologists originallybelieved it had been constructed.Furthermore, archaeologists discovered somethingeven more anomalous. Most of the mortar samples(25) collected appeared to be little more than processedgypsum with traces of sand and limestone. The sandand limestone found in the gypsum were not added butwere actually contaminants of the processed gypsum.The mortar used to build the Great Pyramid is of an(30) unknown origin. It has been analyzed repeatedly and itschemical composition has been established. However,even using modern techniques, scientists have beenunable to reproduce it. The gypsum mortar is strongerthan the stone on the pyramid and the mortar is still(35) intact today, thousands of years after the pyramid wasbuilt. This mortar was not used to bond the heavy stoneblocks together like cement mortar does with modernbricks. Instead, the gypsum mortar’s role was to bufferthe joints and to reduce friction as the enormous blocks(40) were put into place.Examining the mortar from the Great Pyramidassists scientists in making inferences about Egypt’spast. Researchers questioned why the Egyptian builderswould choose to use gypsum mortar over lime mortar.(45) Egypt had numerous limestone mines that could havebeen used to create a more durable lime mortar. Despitethe abundance of lime, there is no evidence of limemortar being used in Egypt until 2500 years after thepyramids were built. Researchers then began to deter-(50) mine why the more water-soluble gypsum would havebeen preferred. They discovered that gypsum wouldhave been easier to mine than limestone. In addition,the Egyptian builders discovered that when gypsum isheated to approximately 265 degrees Fahrenheit, some(55) of the moisture is excluded. When the processed gyp-sum is mixed with water again, the resulting substanceis used for the mortar.Despite having significant mineral resources,Egypt has few natural fuels available. The 265 degree(60) Fahrenheit temperatures needed to process the gypsumand turn it into mortar can be achieved with the heat ofan open fire. On the other hand, to make lime mortar,extremely high temperatures of around 1800 degreesFahrenheit are needed. Most historians conjecture that(65) the high heat needed to process limestone is the reasonlime mortar was not used. The shortage of natural fuelsources would most likely have made the creation oflime mortar highly uneconomical.Q.As it is used in line 6, the word expunging most nearly means

Directions:Read the passages and choose the best answer to each question.PassageThe Great Lakes are a group of five large lakes located in the United States and Canada. They make up the largest group of fresh water lakes in the world, and the Great LakesSt. Lawrence River system is the largest freshwater system in the world. Recently, near-historic low water levels have plagued the water system. Two scientists discuss the causes of low lake level in the Great Lakes.Scientist 1Water levels are part of the ebb and flow of nature. The determining factor in whether the water level will rise, fall, or remain stable is the difference between the amount of water coming into a lake and the amount going out. When several months of above-average precipitation occur with cooler, cloudy conditions that cause less evaporation, the lake levels gradually rise. Likewise, the lowering of water levels will result from prolonged periods of lower-than-average precipitation and warmer temperatures.The recent decline of water levels in the Great Lakes, now at lows not seen since the mid-1960s, is due to a number of causes. Higher degrees of evaporation from warmer than usual temperatures in recent years, a series of mild winters, and below-average snow pack in the Lake Superior basin all contribute to the phenomenon. Since precipitation, evaporation, and runoff are the major factors affecting the water supply to the lakes, levels cannot be controlled or accurately predicted for more than a few weeks into the future. Further, the influence of human regulation on lake levels is inconsequential. Because water is added through snow and rain and taken away through evaporation, nature has most of the control over lake levels.Scientist 2Several human activities have affected levels and flow of the water in the Great Lakes. For example, structures have been built to regulate the outflows of both Lake Superior and Lake Ontario. Lake Superior has been regulated since 1921 as a result of hydroelectric and navigation developments in the St. Mary’s River, such as the Soo Locks. Lake Ontario has been regulated since 1960 after completion of the St. Lawrence Seaway and Power Project. Diversions bring water into, and take water out of, the Great Lakes. Many such diversions were constructed for hydropower generation and logging. For example, the Lake Michigan diversion at Chicago moves water out of Lake Michigan and into the Mississippi River for domestic, navigation, hydroelectric, and sanitation purposes.In addition, the St. Clair and Detroit rivers have been dredged and modified. This has caused some drop in the levels of Lake Michigan and Lake Huron. Channel and shoreline modifications in connecting the channels of the Great Lakes have affected lake levels and flows as well, because the infilling of shoreline areas can reduce the flow carrying-capacity of the river. Further, the extensive use of groundwater deposited in massive aquifers (underground layers of water-bearing permeable rock) in the Midwest has affected the lake levels. Vast quantities of water depositedin aquifers surrounding the Great Lakes are taken to population centers outside of the Great Lakes’ watershed (region of land whose water drains into a specified body of water).Thus, the water in the lakes is not replenished.Q.Scientist 1’s viewpoint would most likely be weakened by which of the following statements?

Directions:Read the passages and choose the best answer to each question.PassageThe Great Lakes are a group of five large lakes located in the United States and Canada. They make up the largest group of fresh water lakes in the world, and the Great LakesSt. Lawrence River system is the largest freshwater system in the world. Recently, near-historic low water levels have plagued the water system. Two scientists discuss the causes of low lake level in the Great Lakes.Scientist 1Water levels are part of the ebb and flow of nature. The determining factor in whether the water level will rise, fall, or remain stable is the difference between the amount of water coming into a lake and the amount going out. When several months of above-average precipitation occur with cooler, cloudy conditions that cause less evaporation, the lake levels gradually rise. Likewise, the lowering of water levels will result from prolonged periods of lower-than-average precipitation and warmer temperatures.The recent decline of water levels in the Great Lakes, now at lows not seen since the mid-1960s, is due to a number of causes. Higher degrees of evaporation from warmer than usual temperatures in recent years, a series of mild winters, and below-average snow pack in the Lake Superior basin all contribute to the phenomenon. Since precipitation, evaporation, and runoff are the major factors affecting the water supply to the lakes, levels cannot be controlled or accurately predicted for more than a few weeks into the future. Further, the influence of human regulation on lake levels is inconsequential. Because water is added through snow and rain and taken away through evaporation, nature has most of the control over lake levels.Scientist 2Several human activities have affected levels and flow of the water in the Great Lakes. For example, structures have been built to regulate the outflows of both Lake Superior and Lake Ontario. Lake Superior has been regulated since 1921 as a result of hydroelectric and navigation developments in the St. Mary’s River, such as the Soo Locks. Lake Ontario has been regulated since 1960 after completion of the St. Lawrence Seaway and Power Project. Diversions bring water into, and take water out of, the Great Lakes. Many such diversions were constructed for hydropower generation and logging. For example, the Lake Michigan diversion at Chicago moves water out of Lake Michigan and into the Mississippi River for domestic, navigation, hydroelectric, and sanitation purposes.In addition, the St. Clair and Detroit rivers have been dredged and modified. This has caused some drop in the levels of Lake Michigan and Lake Huron. Channel and shoreline modifications in connecting the channels of the Great Lakes have affected lake levels and flows as well, because the infilling of shoreline areas can reduce the flow carrying-capacity of the river. Further, the extensive use of groundwater deposited in massive aquifers (underground layers of water-bearing permeable rock) in the Midwest has affected the lake levels. Vast quantities of water depositedin aquifers surrounding the Great Lakes are taken to population centers outside of the Great Lakes’ watershed (region of land whose water drains into a specified body of water).Thus, the water in the lakes is not replenished.Q.With which of the following statements would both scientists likely agree?

Directions:Read the passages and choose the best answer to each question.PassageThe Great Lakes are a group of five large lakes located in the United States and Canada. They make up the largest group of fresh water lakes in the world, and the Great LakesSt. Lawrence River system is the largest freshwater system in the world. Recently, near-historic low water levels have plagued the water system. Two scientists discuss the causes of low lake level in the Great Lakes.Scientist 1Water levels are part of the ebb and flow of nature. The determining factor in whether the water level will rise, fall, or remain stable is the difference between the amount of water coming into a lake and the amount going out. When several months of above-average precipitation occur with cooler, cloudy conditions that cause less evaporation, the lake levels gradually rise. Likewise, the lowering of water levels will result from prolonged periods of lower-than-average precipitation and warmer temperatures.The recent decline of water levels in the Great Lakes, now at lows not seen since the mid-1960s, is due to a number of causes. Higher degrees of evaporation from warmer than usual temperatures in recent years, a series of mild winters, and below-average snow pack in the Lake Superior basin all contribute to the phenomenon. Since precipitation, evaporation, and runoff are the major factors affecting the water supply to the lakes, levels cannot be controlled or accurately predicted for more than a few weeks into the future. Further, the influence of human regulation on lake levels is inconsequential. Because water is added through snow and rain and taken away through evaporation, nature has most of the control over lake levels.Scientist 2Several human activities have affected levels and flow of the water in the Great Lakes. For example, structures have been built to regulate the outflows of both Lake Superior and Lake Ontario. Lake Superior has been regulated since 1921 as a result of hydroelectric and navigation developments in the St. Mary’s River, such as the Soo Locks. Lake Ontario has been regulated since 1960 after completion of the St. Lawrence Seaway and Power Project. Diversions bring water into, and take water out of, the Great Lakes. Many such diversions were constructed for hydropower generation and logging. For example, the Lake Michigan diversion at Chicago moves water out of Lake Michigan and into the Mississippi River for domestic, navigation, hydroelectric, and sanitation purposes.In addition, the St. Clair and Detroit rivers have been dredged and modified. This has caused some drop in the levels of Lake Michigan and Lake Huron. Channel and shoreline modifications in connecting the channels of the Great Lakes have affected lake levels and flows as well, because the infilling of shoreline areas can reduce the flow carrying-capacity of the river. Further, the extensive use of groundwater deposited in massive aquifers (underground layers of water-bearing permeable rock) in the Midwest has affected the lake levels. Vast quantities of water depositedin aquifers surrounding the Great Lakes are taken to population centers outside of the Great Lakes’ watershed (region of land whose water drains into a specified body of water).Thus, the water in the lakes is not replenished.Q.How would the effect of the use of aquifer water differ from that described by Scientist 2 if all of the water taken from aquifers that surrounds the Great Lakes was used within the Great Lakes’ watershed? The use of aquifer water would

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Explorers have discovered a new planet, Planet K. It is known that Planet K has magnetic poles to similar to those of Earth, so the explorers decide that using a compass to navigate is possible. When navigating Planet Ks surface, it is discovered that the compass points north for a distance then flips so that it points north in the opposite direction for a distance, before returning to pointing north in the original direction. It is known that the magnetic poles of the planet flip every 100 years. Weather is recorded on the planet for 250 years.How does the flipping of the magnetic poles affect the weather on Planet K?a)Cannot be determined from the given informationb)It causes a sharp temperature decrease and a reduction in precipitationc)It causes the temperature to increase, but the precipitation to decreased)It causes the temperature to decrease, but the precipitation to increaseCorrect answer is option 'B'. Can you explain this answer?
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Explorers have discovered a new planet, Planet K. It is known that Planet K has magnetic poles to similar to those of Earth, so the explorers decide that using a compass to navigate is possible. When navigating Planet Ks surface, it is discovered that the compass points north for a distance then flips so that it points north in the opposite direction for a distance, before returning to pointing north in the original direction. It is known that the magnetic poles of the planet flip every 100 years. Weather is recorded on the planet for 250 years.How does the flipping of the magnetic poles affect the weather on Planet K?a)Cannot be determined from the given informationb)It causes a sharp temperature decrease and a reduction in precipitationc)It causes the temperature to increase, but the precipitation to decreased)It causes the temperature to decrease, but the precipitation to increaseCorrect answer is option 'B'. 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 Explorers have discovered a new planet, Planet K. It is known that Planet K has magnetic poles to similar to those of Earth, so the explorers decide that using a compass to navigate is possible. When navigating Planet Ks surface, it is discovered that the compass points north for a distance then flips so that it points north in the opposite direction for a distance, before returning to pointing north in the original direction. It is known that the magnetic poles of the planet flip every 100 years. Weather is recorded on the planet for 250 years.How does the flipping of the magnetic poles affect the weather on Planet K?a)Cannot be determined from the given informationb)It causes a sharp temperature decrease and a reduction in precipitationc)It causes the temperature to increase, but the precipitation to decreased)It causes the temperature to decrease, but the precipitation to increaseCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for ACT 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Explorers have discovered a new planet, Planet K. It is known that Planet K has magnetic poles to similar to those of Earth, so the explorers decide that using a compass to navigate is possible. When navigating Planet Ks surface, it is discovered that the compass points north for a distance then flips so that it points north in the opposite direction for a distance, before returning to pointing north in the original direction. It is known that the magnetic poles of the planet flip every 100 years. Weather is recorded on the planet for 250 years.How does the flipping of the magnetic poles affect the weather on Planet K?a)Cannot be determined from the given informationb)It causes a sharp temperature decrease and a reduction in precipitationc)It causes the temperature to increase, but the precipitation to decreased)It causes the temperature to decrease, but the precipitation to increaseCorrect answer is option 'B'. Can you explain this answer?.
Solutions for Explorers have discovered a new planet, Planet K. It is known that Planet K has magnetic poles to similar to those of Earth, so the explorers decide that using a compass to navigate is possible. When navigating Planet Ks surface, it is discovered that the compass points north for a distance then flips so that it points north in the opposite direction for a distance, before returning to pointing north in the original direction. It is known that the magnetic poles of the planet flip every 100 years. Weather is recorded on the planet for 250 years.How does the flipping of the magnetic poles affect the weather on Planet K?a)Cannot be determined from the given informationb)It causes a sharp temperature decrease and a reduction in precipitationc)It causes the temperature to increase, but the precipitation to decreased)It causes the temperature to decrease, but the precipitation to increaseCorrect answer is option 'B'. 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 Explorers have discovered a new planet, Planet K. It is known that Planet K has magnetic poles to similar to those of Earth, so the explorers decide that using a compass to navigate is possible. When navigating Planet Ks surface, it is discovered that the compass points north for a distance then flips so that it points north in the opposite direction for a distance, before returning to pointing north in the original direction. It is known that the magnetic poles of the planet flip every 100 years. Weather is recorded on the planet for 250 years.How does the flipping of the magnetic poles affect the weather on Planet K?a)Cannot be determined from the given informationb)It causes a sharp temperature decrease and a reduction in precipitationc)It causes the temperature to increase, but the precipitation to decreased)It causes the temperature to decrease, but the precipitation to increaseCorrect answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Explorers have discovered a new planet, Planet K. It is known that Planet K has magnetic poles to similar to those of Earth, so the explorers decide that using a compass to navigate is possible. When navigating Planet Ks surface, it is discovered that the compass points north for a distance then flips so that it points north in the opposite direction for a distance, before returning to pointing north in the original direction. It is known that the magnetic poles of the planet flip every 100 years. Weather is recorded on the planet for 250 years.How does the flipping of the magnetic poles affect the weather on Planet K?a)Cannot be determined from the given informationb)It causes a sharp temperature decrease and a reduction in precipitationc)It causes the temperature to increase, but the precipitation to decreased)It causes the temperature to decrease, but the precipitation to increaseCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for Explorers have discovered a new planet, Planet K. It is known that Planet K has magnetic poles to similar to those of Earth, so the explorers decide that using a compass to navigate is possible. When navigating Planet Ks surface, it is discovered that the compass points north for a distance then flips so that it points north in the opposite direction for a distance, before returning to pointing north in the original direction. It is known that the magnetic poles of the planet flip every 100 years. Weather is recorded on the planet for 250 years.How does the flipping of the magnetic poles affect the weather on Planet K?a)Cannot be determined from the given informationb)It causes a sharp temperature decrease and a reduction in precipitationc)It causes the temperature to increase, but the precipitation to decreased)It causes the temperature to decrease, but the precipitation to increaseCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of Explorers have discovered a new planet, Planet K. It is known that Planet K has magnetic poles to similar to those of Earth, so the explorers decide that using a compass to navigate is possible. When navigating Planet Ks surface, it is discovered that the compass points north for a distance then flips so that it points north in the opposite direction for a distance, before returning to pointing north in the original direction. It is known that the magnetic poles of the planet flip every 100 years. Weather is recorded on the planet for 250 years.How does the flipping of the magnetic poles affect the weather on Planet K?a)Cannot be determined from the given informationb)It causes a sharp temperature decrease and a reduction in precipitationc)It causes the temperature to increase, but the precipitation to decreased)It causes the temperature to decrease, but the precipitation to increaseCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Explorers have discovered a new planet, Planet K. It is known that Planet K has magnetic poles to similar to those of Earth, so the explorers decide that using a compass to navigate is possible. When navigating Planet Ks surface, it is discovered that the compass points north for a distance then flips so that it points north in the opposite direction for a distance, before returning to pointing north in the original direction. It is known that the magnetic poles of the planet flip every 100 years. Weather is recorded on the planet for 250 years.How does the flipping of the magnetic poles affect the weather on Planet K?a)Cannot be determined from the given informationb)It causes a sharp temperature decrease and a reduction in precipitationc)It causes the temperature to increase, but the precipitation to decreased)It causes the temperature to decrease, but the precipitation to increaseCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice ACT tests.
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