Choose the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

Câu hỏi

The biggest cause of global warming is carbon dioxide emissions from coal burning power plants.

A. fauna

B. flora

C. trees

D. factories

Đáp án
D. factories

Câu hỏi thuộc Bài tập:

Module 10: Topic 2- Humans and the environment