DDT was once used as a pesticide to permanently obliterate all insects. Now, DDT has become ineffective and is no longer used as a pesticide. Why were the populations of insects able to survive applications of DDT?
DDT was once used as a pesticide to permanently obliterate all insects. Now, DDT has become ineffective and is no longer used as a pesticide. Why were the populations of insects able to survive applications of DDT?
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