(a) Name any two green house gases.
(b) What causes global warming?

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

(a) Carbon dioxide (CO2), methane (CH4), ozone (O3) and water vapour (H2O) are green house gases. (any two)
(b) The greenhouse gases do not allow heat rays to escape from the earth resulting in an increase of temperature of the earth. Hence, green house gases cause global warming.

Answered by  | 4th Jun, 2014, 03:23: PM