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Decide which of the following if remains...

Decide which of the following if remains for a long time in the environment, the probability of its biomagnification increases-

A

1.Newspaper

B

2.Faecal matters of animals

C

3.Rotten leaves

D

4.Chlorinated insecticide.

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UNITED BOOK HOUSE-MODEL PAPER 2019-EXERCISE
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  10. is derived from the root of Sarpagandha plant which is used as medicin...

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