Multiple choice general knowledge

The term 'global warming' means:

  1. quick melting of polar ice sheets

  2. depletion of ozone layer

  3. high temp. in torrid zone

  4. general rise in temp. due to carbon dioxide
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Global warming refers to the long-term rise in Earth's average surface temperature, primarily caused by increased carbon dioxide and other greenhouse gases trapping heat in the atmosphere (the greenhouse effect).

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