18. The author of the passage claims that when the mass media ceases to cover an environmental story:

Answer and Explanation

Your Answer is

Correct Answer is H

Explanation

According to the question stem, locate L27-29, which is mentioned in the paragraph that mentions the feedback loop. When the media no longer reports on an environmental problem, public relaxes, "The public will think that the problem has been solved." Item H fits the meaning of the question.