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1. |
_What is the major role of a greenhouse gas that contributes to temperature rise of the Earth's surface?$? |
A. | Transparent to both incoming sunlight and outgoing infrared radiation |
B. | Stops both incoming sunlight and outgoing infrared radiation |
C. | Lets outgoing infrared radiation pass through but stops incoming sunlight |
D. | Lets incoming sunlight' pass through but stops outgoing infrared radiation |
Answer» E. | |