Question

passage: in nature nothing exists alone... the contamination of the environment with harmful chemicals has cre question: which addition would best reinforce carsons central claim? remove figurative language to enhance scientific objectivity. cite specific ecological case studies that demonstrate cascading effects of chemical use. focus only on consumer reactions to environmental change. include advertisements by chemical companies for balance.

Explanation:

Carson's claim is about environmental contamination by harmful chemicals. Citing specific ecological case - studies that show cascading effects of chemical use directly supports this by providing real - world examples. Removing figurative language doesn't directly reinforce the claim. Focusing only on consumer reactions is too narrow. Including advertisements by chemical companies is not relevant to strengthening the claim about environmental harm.

Answer:

B. Cite specific ecological case studies that demonstrate cascading effects of chemical use.