4.
How does river water get polluted? Explain.
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Answer:
Sewage and waste water: sewage and waste water produced from household is directly released to the fresh water. Chemical fertilizer and pesticides: farmers are used fertilizer and pesticides for their agricultural field to protect their crops. When rains all the chemicals flew into river and get polluted
Answered by
0
Answer:
Sewage and waste water: sewage and waste water produced from household is directly released to the fresh water. Chemical fertilizer and pesticides: farmers are used fertilizer and pesticides for their agricultural field to protect their crops. When rains all the chemicals flew into river and get polluted.
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