Can you list out the things we tend to wash away through our rivers and drains
Answers
The following are the things that are washed away from the rivers and drains:
Explanation:
1. Fertilizers, and pesticides: These are the sources of nitrogen, phosphorus and other minerals which are likely to promote the excess growth of plants and algae which will lead to eutrophication thus these chemicals must be avoided to enter into the rivers and drains.
2. Industrial wastes: The industrial wastes may contain toxic chemicals which can cause contamination of the river water and cause death of the aquatic animals.
3. Sewage discharge: The sewage discharge is a source of nitrogen and urea it will contaminate the water with biological wastes and microbes which will emit foul smell thus the discharge must be restricted to the drain of potable water.
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