Multiple choice

The increase in Earth's temperature caused by carbon dioxide trapping radiation is:

  1. Thermal feedback

  2. isothermic depletion

  3. the greenhouse effect

  4. photochemical smog

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The greenhouse effect occurs when certain gases in Earth's atmosphere trap heat from the sun, preventing it from escaping back into space and causing the planet to warm.