Biology, 17.03.2020 20:40 mytime8774

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: 1

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

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More questions: Biology Another questions

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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Another question on Biology

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.