Question

In 3-5 sentences explain, why when DDT was released for insect control it had to be banned in 1972 and what this

phenomenon is an example of.

Answer 1

The decline was attributed to a number of factors including Increased insect resistance, the development of more effective alternative pesticides, public and user concern about negative environmental side effects—and a government ban on DDT use since 1969--all contributed to the decline.