Multiple choice

Increase in atmospheric temperature due to CO2 is called

  1. pasteur effect

  2. green-house effect

  3. blackman effect

  4. emerson effect

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

The greenhouse effect occurs when certain gases (including CO2, methane, and water vapor) trap heat in Earth's atmosphere, similar to how glass traps heat in a greenhouse. This effect raises global temperatures and drives climate change.