अम्लीय वर्षा किसकी सांद्र� – McqOptions

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1.	अम्लीय वर्षा किसकी सांद्रता में वृद्धि के कारण होती है?
A.	SO2 and CO2
B.	CO and CO2
C.	CO and N2
D.	dust and O3
Answer» B. CO and CO2

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