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1 mark

Carbon dioxide is called greenhouse gas because it is

  1. A
    transparent to sunlight but traps heat.
  2. B
    transparent to heat but traps sunlight.
  3. C
    used in greenhouse to increase plant growth.
  4. D
    transparent to both sunlight and heat.

Solution & Step-by-step Explanation

Carbon dioxide () is transparent to incoming short-wavelength solar radiation (sunlight) but highly absorbs and traps outgoing long-wavelength infrared radiation (heat) re-emitted from the Earth's surface, creating the greenhouse effect.

Practice this question

Try it yourself before checking the explanation above.

Carbon dioxide is called greenhouse gas because it is
A
transparent to sunlight but traps heat.
B
transparent to heat but traps sunlight.
C
used in greenhouse to increase plant growth.
D
transparent to both sunlight and heat.

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Greenhouse EffectAtmosphereClimate Change

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