Identify the correct pair of various greenhouse gases and their contribution to global warming.

Which of the following pairs of gases is mainly responsible for the greenhouse effect?

Consider the following statements and select the correct set with respect to global warming:
$(a)$ $El$ $Nino$ effect
$(b)$ Cooling of stratosphere and earth surface
$(c)$ Shifting of climatic zones
$(d)$ Snow blindness
$(e)$ Impairment of hearing
$(f)$ Excessive deposition of ice at poles
$(g)$ Rise in sea level
$(h)$ Increase in eutrophication

Which of the following countries is responsible for releasing the largest amount of greenhouse gases?

Which of the following represents the correct percentage contribution of greenhouse gases to total global warming?

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