Question

(a) Biological degradation
(b) Biological magnification
(c) Eutrophication
In Which where DDT had been used extensively, the population of birds declined significantly because
(A) Snake were feeding exclusively on birds
(B) Many of the birds eggs laid, did not hatch​

Answer 1

Answer:

when DDT was used extensively it will lead to biological magnification as a result of this eggs laid by the birds didn't hatch . so their population declined