वायु में किसकी अधिक होने प� – McqOptions

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1.	वायु में किसकी अधिक होने पर पेड़ों की पत्तियां काली होकर गिर जाती है ?
A.	CO₂
B.	SO₂
C.	CO
D.	NH₃
Answer» C. CO

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