15. Upon reviewing the essay and finding that some information has been left out, the writer composes the following sentence incorporating that information:

Increasing numbers of birds and fish were dying each year as a result of this interruption of the natural cycles upon which the wetland system depended.

This sentence would most logically be placed after the last sentence in Paragraph:

Answer and Explanation

Your Answer is

Correct Answer is B

Explanation

This sentence "More and more birds and fish die every year because of the obstacles of the natural environment that the wetland relies on" describes the local ecological damage situation, so it should be placed at the end of P3. This paragraph of P3 mainly talks about the local ecological damage status.