If global warming continues, the organism which may face more severe threat is

Which of the following is a greenhouse gas?

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

The greenhouse effect is ........

The following pie chart shows the relative contribution of various greenhouse gases to total global warming. Which gases are represented by $P$, $Q$, and $R$?

Which of the following pairs of gases is the primary cause of the "Greenhouse Effect"?