Biology, 09.04.2020 03:29, brebun4742

2. Explain why the narrator states that "pesticides were not always thought to

be harmful".

3. How does the chemical solution DDT work?.

4. Explain the relationship between Polio, Typhus, WWII and DDT.

Answers: 2

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2. Explain why the narrator states that "pesticides were not always thought to be harmful". 3. How does the chemical solution DDT work?. 4. Explain the relationship between Polio, Typhus, WWII and DDT.

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Other questions on the subject: Biology

Questions in other subjects:

2. Explain why the narrator states that "pesticides were not always thought to

be harmful".

3. How does the chemical solution DDT work?.

4. Explain the relationship between Polio, Typhus, WWII and DDT.