Choose A, B, C, or D that best completes eac...
Câu hỏi: Choose A, B, C, or D that best completes each sentence. Methane is a far more active _______ than carbon dioxide, but also one which is much less abundant in the atmosphere.
A. greenhouse gas
B. greenhouse effect
C. climate change
D. emission
Câu hỏi trên thuộc đề trắc nghiệm
Kiểm Tra - Unit 6 !!