Multiple choice

Why is carbon dioxide called a green-house gas?

  1. It is used in photosynthesis

  2. It traps the outgoing solar radiation

  3. Used in greenhouse to increase plant growth

  4. It traps the insolation

  5. It is transparent to heat
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Carbon dioxide belongs to a group of compounds known as greenhouse gases because of their ability to trap and reflect the sun's radiation back to earth.

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