What are the phenomena of global warming and acid rain formation attri

1.	What are the phenomena of global warming and acid rain formation attributed to ?
A.	SO2 and CO2 respectively
B.	CO and SO2, respectively
C.	CO2 and SO2, respectively
D.	CO and CO2, respectively
Answer» D. CO and CO2, respectively

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What are the phenomena of global warming and acid rain formation attributed to ?

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