The correct answer is (c) Its risks outweighed the benefits
DDT was a synthetic pesticide used to cope up the problem of pests in United states. Later, it became hazardous to the plants, humans and animals. The government of United States found evidences that it is entering into the food chain of the ecosystem. Its harmful effects were conquering the benefits of the pesticide. The risks grew so much that it became important for the government of United States to ban it.
