Question

The two gases making highest relative contribution to the greenhouse gases are

(a)CO₂ and CH₄ (b)CH₄ and NO₂

(c) CFCs and N₂O (d)CO₂ and N₂O

Answer 1

Correct option (a)CO₂ and CH₄

Explanation

The greenhouse effect is a naturally occurring phenomenon that is responsible for the warming of earth's surface and atmosphere. CO₂ (60%) and CH₄ (20%) are commonly known as greenhouse gases because they are responsible for the greenhouse effect, that ultimately leads to global warming,