What is a major cause of global warming? – McqOptions

MCQOPTIONS

1.	What is a major cause of global warming?
A.	Gaseous nitrogen oxides released by petrol engines
B.	Oxides of sulphur and nitrogen dissolved in rain water
C.	Emission of sulphur dioxide on combustion of coal
D.	Release of carbon dioxide on combustion of fuels
Answer» E.

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