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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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8 set 1939 ano - 1939

Descrição:

DDT was introduced, marking the beginning of agriculture's heavy use of chemical pesticides in developing countries. The U.S. banned DDT in 1972 because it was harming the environment.

Adicionado na linha do tempo:

Data:

8 set 1939 ano
Agora
~ 86 years ago