water pollution

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What is water pollution?

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Water pollution refers to the contamination of water bodies (like rivers, lakes, and oceans) with harmful substances, including chemicals, waste, and pathogens.

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What are the main causes of water pollution?

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Main causes include industrial discharge, agricultural runoff, sewage disposal, and oil spills.

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What is meant by water quality?

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Water quality refers to the physical, chemical, and biological characteristics of water, which determine its suitability for various uses.

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What are nitrates and how do they affect water?

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Nitrates are compounds that can contaminate water, often from fertilizers and sewage, leading to problems like algal blooms and oxygen depletion.

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What is biological water pollution?

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Biological water pollution involves the presence of harmful microorganisms, such as bacteria and viruses, that can cause diseases.

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How does industrial pollution affect water pH?

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Industrial pollution can introduce acids or bases into water bodies, altering the natural pH balance and harming aquatic life.

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What is agricultural runoff?

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Agricultural runoff is water from rain or irrigation that carries fertilizers, pesticides, and other chemicals from fields into nearby water bodies.

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What are the effects of sewage on water bodies?

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Sewage can introduce pathogens, nutrients, and organic matter into water, leading to health risks and environmental degradation.

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What is thermal pollution?

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Thermal pollution occurs when industries discharge heated water into natural water bodies, affecting the temperature and harming aquatic ecosystems.

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What role do wetlands play in water pollution control?

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Wetlands act as natural filters, absorbing pollutants and providing habitat for wildlife, thus improving water quality.