Question

Although carbon dioxide is the primary compound discussed with respect to global warming; of the common atmospheric components the global warming potential (GWP) of a carbon dioxide molecule is very low. Which statement best explains this pair of facts?

Answer 1

Answer:

C.  CO2 exists in relatively high concentrations.  

Explanation:

From the available options:

A.  CO2 molecules are highly symmetrical.  

B.  CO2 has a low molar mass.  

C.  CO2 exists in relatively high concentrations.  

D.  CO2 is formed in the combustion of fossil fuels.  

The focus on CO2 as far as global warming is concerned is not because It has a high global warming potential but because of its relatively high concentration in the atmosphere as a result of both natural and anthropological activities.

The correct option is C.