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'* 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,