Discussion :: Environmental Science
- Carbon dioxide is called greenhouse gas because it is
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A.
Transparent to sunlight but traps heat |
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B.
Transparent to heat but traps sunlight |
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C.
Used in green-house to increase plant growth |
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D.
Transparent to both sunlight and heat |
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Answer : Option A
Explanation :
Those gas molecules in the Earth's atmosphere with three or more atoms are called "greenhouse gases" because they can capture outgoing infrared energy from the Earth, thereby warming the planet. The greenhouse gases include water vapor with three atoms (H2O), ozone (O3), carbon dioxide (CO2), and methane (CH4).
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