What do CFCs stand for? Name some devices where CFCs are used. Why CFCs are considered as pollutants?
Important Questions on Pollution of Air and Water
Read the paragraph and answer the given question.
Water is essential for life. Without water, there would be no life. We usually take water as granted for its purity, but we must ensure the quality of water. Pollution of water originates from human activities. Through different paths, pollution reaches to ground, water. Easily identified source or place of pollution is called a point source, example.– municipal and industrial discharge pipes, where pollutants enter the water source. Non–point sources of pollution are those where a source of pollution cannot be easily identified, example.– agricultural runoff, acid rain etc.
How do you classify the various sources of water pollution?
Read the paragraph and answer the questions following it.
Water is essential for life. Without water, there would be no life. We usually take water as granted for its purity, but we must ensure the quality of water. Pollution of water originates from human activities. Through different paths, pollution reaches to groundwater. Easily identified source or place of pollution is called a point source, example.– municipal and industrial discharge pipes, where pollutants enter the water source. Nonpoint sources of pollution are those where a source of pollution cannot be easily identified, example.– agricultural runoff, acid rain etc.
What are the point sources of water pollution?
Read the paragraph and answer the questions following it.
Water is essential for life. Without water, there would be no life. We usually take water as granted for its purity, but we must ensure the quality of water. Pollution of water originates from human activities. Through different paths, pollution reaches to groundwater. Easily identified source or place of pollution is called a point source, example.– municipal and industrial discharge pipes, where pollutants enter the water source. Nonpoint sources of pollution are those where a source of pollution cannot be easily identified, example.– agricultural runoff, acid rain etc.
Name any two nonpoint sources of water pollution?
