SCI010: Environmental Science | Unit 6 | Lesson 4: Semester Test
Semester Test, Part 2
Answer each question, using complete sentences. When you have finished, submit this assignment to your
teacher by the due date for full credit.
1. Describe DDT and summarize the history of the use and banning of DDT, including actions
taken by the U.S. government. State the major reasons for spraying with DDT and for
banning it. State three or more ways science has played a role in the controversy.
Dichlorodiphenyltrichloroethane (DDT) is a vapid, crystalline, tasteless, and practically unscented organochlorine
known for its insecticidal properties and ecological effects.
Initially orchestrated in 1874, DDT's insecticidal activity was found by the Swiss chemist Paul Hermann Müller in
1939. It was utilized as a part of the second 50% of World War II to control malaria and typhus among local
people and troops. After the war, DDT was likewise utilized as a horticultural bug spray and its generation and
utilize appropriately expanded
The U.S. department of Agriculture, the government organization with duty regarding controlling pesticides before
the arrangement of the U.S. Natural Protection Agency in 1970, started administrative activities...