The author mentions all of the following as examples of the effect of humans on the world’s ecosystems EXCEPT _____________ .

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 35 to 42.

A. damage to marine ecosystems

B. habitat destruction in wetlands

C. the introduction of new varieties of plant species

D. destruction of the tropical rain forest

* Đáp án

* Hướng dẫn giải

ĐÁP ÁN C

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