Question

A farmer used chemical fertilisers extensively in his fields. Fishes in a pond adjacent to his fields were found dead after sometime. explain why?​

Answer 1

Answer:

Explanation:chemical fertilizers are used in fields in order to grow better crops.these fertilizers are made of many chemicals and when these chemical gets added to water in pond it makes the pond posinious and results death of fishes present in pond

Answer 2

Fertilisers are made from chemicals . These chemicals are harmful and are used to kill organisms which harms the crops . They also kill the good organisms like decomposers in the soil.Thus they are harmful.Fertilisers are washed off to the adjacent pond when the plants are given water.So the chemicals in the fertilisers kill the fishes.

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