Doubt by Kailash Taneja

green house gases are responsible for earth's temperature since they trap the infrared radiation making the earth suitable for living being but without greenhouse effect temperature should range very low i think the ans . must be option 1

Answers

Answer by Isha Agarwal

According to ncert: Without greenhouse effect the average temperature at surface of Earth would have been a chilly -18 C rather than the present average of 15 C. In the question it has been asked that green house effect has raised the temperatute by how much. So it should be 15 - (-18) = 33. Thus given answer is correct.