An air pollutant is defined as a compound added directly The word "localized” is closest

Câu hỏi :

Read the following passage and mark the letter A, B, C, or D on your answer answer to each of the questions

A. specified

B. circled

C. surrounded

D. encircled

* Đáp án

A

* Hướng dẫn giải

Đáp án A

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