The insecticide ddt was introduced in the 1950s, and the rates of malaria dropped significantly. ddt was later found to be toxic to birds and other animals, and it was discontinued in 1964.
as a result, rates of malaria began to rise. how can the effects of ddt on society be characterized?
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The insecticide ddt was introduced in the 1950s, and the rates of malaria dropped significantly. ddt...
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Social Studies, 27.11.2019 01:31
