Class 4 Exam > Class 4 Questions > How do rivers get dirty?a)People use river wa...
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How do rivers get dirty?
- a)People use river water for different purposes
- b)Factories dispose dirty water into rivers
- c)Animals take bath in the rivers
- d)All of the above
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
How do rivers get dirty?a)People use river water for different purpose...
all the reasons are correct for the water getting dirty in the rivers.
Most Upvoted Answer
How do rivers get dirty?a)People use river water for different purpose...
Rivers can get dirty due to various reasons:
1. Human activities:
- People use river water for different purposes such as drinking, bathing, washing clothes, and irrigation. As a result, the water may get polluted with dirt, soap, detergents, and other waste materials.
- Improper disposal of garbage, sewage, and industrial waste into rivers can also contribute to their pollution. This can introduce harmful chemicals, toxins, and microorganisms into the water, making it dirty and unsafe for both humans and animals.
2. Industrial pollution:
- Factories often release untreated or inadequately treated wastewater into rivers. This wastewater may contain various pollutants like heavy metals, chemicals, and toxic substances. These pollutants can contaminate the river water, making it dirty and unfit for use.
3. Agricultural activities:
- The use of chemical fertilizers, pesticides, and herbicides in agriculture can lead to water pollution. When it rains, these chemicals can wash off from the fields and enter nearby rivers, causing water pollution and making the rivers dirty.
4. Animal activities:
- Animals, especially livestock, can contribute to river pollution. When animals bathe or defecate in rivers, their waste can contaminate the water, making it dirty and unsafe for human use.
5. Natural causes:
- Natural causes such as erosion, landslides, and volcanic activities can also result in rivers getting dirty. When soil, rocks, and debris are washed into rivers, they can make the water murky and filled with sediments.
6. Lack of proper waste management:
- In some areas, there may be a lack of proper waste management systems. This can lead to garbage being dumped directly into rivers, further polluting the water and making it dirty.
These factors, individually or in combination, contribute to the pollution and dirtiness of rivers. It is essential to raise awareness about the importance of protecting rivers and implementing effective measures to prevent pollution and ensure the cleanliness and sustainability of this valuable natural resource.
1. Human activities:
- People use river water for different purposes such as drinking, bathing, washing clothes, and irrigation. As a result, the water may get polluted with dirt, soap, detergents, and other waste materials.
- Improper disposal of garbage, sewage, and industrial waste into rivers can also contribute to their pollution. This can introduce harmful chemicals, toxins, and microorganisms into the water, making it dirty and unsafe for both humans and animals.
2. Industrial pollution:
- Factories often release untreated or inadequately treated wastewater into rivers. This wastewater may contain various pollutants like heavy metals, chemicals, and toxic substances. These pollutants can contaminate the river water, making it dirty and unfit for use.
3. Agricultural activities:
- The use of chemical fertilizers, pesticides, and herbicides in agriculture can lead to water pollution. When it rains, these chemicals can wash off from the fields and enter nearby rivers, causing water pollution and making the rivers dirty.
4. Animal activities:
- Animals, especially livestock, can contribute to river pollution. When animals bathe or defecate in rivers, their waste can contaminate the water, making it dirty and unsafe for human use.
5. Natural causes:
- Natural causes such as erosion, landslides, and volcanic activities can also result in rivers getting dirty. When soil, rocks, and debris are washed into rivers, they can make the water murky and filled with sediments.
6. Lack of proper waste management:
- In some areas, there may be a lack of proper waste management systems. This can lead to garbage being dumped directly into rivers, further polluting the water and making it dirty.
These factors, individually or in combination, contribute to the pollution and dirtiness of rivers. It is essential to raise awareness about the importance of protecting rivers and implementing effective measures to prevent pollution and ensure the cleanliness and sustainability of this valuable natural resource.
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How do rivers get dirty?a)People use river water for different purposesb)Factories dispose dirty water into riversc)Animals take bath in the riversd)All of the aboveCorrect answer is option 'D'. Can you explain this answer?
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How do rivers get dirty?a)People use river water for different purposesb)Factories dispose dirty water into riversc)Animals take bath in the riversd)All of the aboveCorrect answer is option 'D'. Can you explain this answer? for Class 4 2024 is part of Class 4 preparation. The Question and answers have been prepared according to the Class 4 exam syllabus. Information about How do rivers get dirty?a)People use river water for different purposesb)Factories dispose dirty water into riversc)Animals take bath in the riversd)All of the aboveCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 4 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for How do rivers get dirty?a)People use river water for different purposesb)Factories dispose dirty water into riversc)Animals take bath in the riversd)All of the aboveCorrect answer is option 'D'. Can you explain this answer?.
How do rivers get dirty?a)People use river water for different purposesb)Factories dispose dirty water into riversc)Animals take bath in the riversd)All of the aboveCorrect answer is option 'D'. Can you explain this answer? for Class 4 2024 is part of Class 4 preparation. The Question and answers have been prepared according to the Class 4 exam syllabus. Information about How do rivers get dirty?a)People use river water for different purposesb)Factories dispose dirty water into riversc)Animals take bath in the riversd)All of the aboveCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 4 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for How do rivers get dirty?a)People use river water for different purposesb)Factories dispose dirty water into riversc)Animals take bath in the riversd)All of the aboveCorrect answer is option 'D'. Can you explain this answer?.
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