Acid rain is mentioned in the passage for which of the following reasons?

Câu hỏi :

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 36 to 42.

A. It reduces the efficiency of coal-fired plants

B. It increases the difficulty of transporting coal

C. It is an environmental problem associated with coal use

D. It contains less energy per unit of weight than coal does

* Đáp án

C

* Hướng dẫn giải

Đáp án C

Dựa vào câu “… it is difficult to transport, and it is associated with a host of environmental issues, among them acid rain” → mưa axit là một vấn đề môi trường liên quan đến việc sử dụng than đá.

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