Multiple choice general knowledge

What is Global warming

  1. Warming up of earth

  2. Atmosphere becomes more cool

  3. cooling of earth

  4. none

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

Global warming is the long-term rise in Earth's average temperature due to greenhouse gases trapping heat. Option A correctly describes this. Options B and C incorrectly suggest cooling, which is the opposite of warming.