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Câu hỏi:
Certain ______ in the atmosphere, such as carbon dioxide, methane and nitrous oxide, block heat from escaping.
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A.
effects
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B.
emissions
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C.
gases
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D.
layers
Lời giải tham khảo:
Đáp án đúng: C
Hãy trả lời câu hỏi trước khi xem đáp án và lời giải -
A.
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