40
QuizMultiple Choice

Cumulative Exam — Cumulative exam

Question 40 • FL-2000310-Biology 1 Sem 1 - Flex

Why did the United States ban the use of DDT?

Answer
A
It began mutating.
B
It became too costly to continue its use.
C
Its risks outweighed the benefits.
D
It was no longer effective.

Explanation

The United States banned DDT after evidence showed it caused serious environmental harm, including harming wildlife and building up in the food chain. These risks were judged greater than the benefits of using it as a pesticide, so the correct choice is “Its risks outweighed the benefits.”

AI-written and checked against the verified answer.

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