Who was the marine biologist whose book silent spring spelled out how the insecticide ddt kills birds and other animals and causes sickness among humans, and who launched the modern environmental movement?

Rachel Carson

Explanation:

Rachel Carson was an American marine biologist and author. She wrote the book Silent Spring to make people aware of the effects of pesticides on the environment. Her book was extremely controversial, particularly for the chemical companies. However, as a result of the information contained in the book, the national pesticide policies were changed and DDTs (as well as other pesticides) were banned, thus launching the modern environmental movement.

the correct answer is c   with the systems

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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