A) increases
B) become irregular
C) remain constant
D) decreases
Correct Answer: A
Solution :
Toxic pesticides as BHC and DDT etc., are not easily degraded and are long lasting in the environment. They show biological magnification or food chain concentration (i.e. the continuous increase in concentration of a toxicant at at successive trophic levels in a food chain).You need to login to perform this action.
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