The word “It” in the 2nd paragraph refers to________

Câu hỏi :

The word “It” in the 2nd paragraph refers to________

A the epicuticular wax layer

B the loss of internal moisture

C an impervious plant like cover

D another chemical mechanism

* Đáp án

A

* Hướng dẫn giải

Phương pháp giải:

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