Description
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Explanation & Answer
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Question 1
Answer
is a colorless, tasteless, and almost odorless crystalline organochlorine known for its use in
killing insects. It was discovered in 1874 and used for controlling malaria and typhus. It was very
successful in controlling these diseases. In 1945 it became available in the United States and
was promoted as a pesticide However, in the 1950’s the government began tightening bans on
the use of DDT. There were concerns of the effects of DDT on people and the environment In
1962 Rachel Carson wrote a book “Silent Spring” that warned of the environmental impacts of
DDT, The book claimed that DDT and other pesticides had been shown to cause cancer and that
the agricultural use was a threat to wildlife, particularly birds.
Question2
Answer
Cutting down trees for timber
Harv...