The detail from the passage provides the strongest evidence that DDT is a harmful substance is this: B. "Not only was the success rate of pesticides limited because the pests developed immunity, but the pesticides remained in the environment, affecting humans and other living organisms." (paragraph 9)
What is the detail?
This sentence explicitly states that DDT remains in the environment and negatively impacts both humans and other living organisms. This is a clear and direct indication of its harmfulness.
The point about DDT remaining in the environment is crucial. This persistence allows it to accumulate and continue causing harm over time, even after its initial use has stopped.
Complete Question:
1.Which detail from the passage provides thestrongest evidencethat DDT is a harmful substance? A."Its earliest use was to fight malaria, typhus, and other diseases transmitted to humans by insects." (paragraph 8) B."Not only was the success rate of pesticides limited because the pests developed immunity, but the pesticides remained in the environment, affecting humans and otherliving organisms." (paragraph 9) C."They attacked her as an overzealous activist who did more harm than good." (paragraph 10) D."Immediately following the investigation, regulations about the use of chemical pesticides were strengthened." (paragraph 11