Trắc nghiệm ôn tập
Why is global wanning a problem? High levels of_______ in the atmosphere can cause many problems
Câu hỏi:
Why is global wanning a problem? High levels of_______ in the atmosphere can cause many problems
A.
sunlight
B.
light
C.
ray
D.
greeenhouse gases
Đáp án đúng: D
Đăng bởi: Monica.vn
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