शुक्र ग्रह पर हरित गृह प्र� – McqOptions

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1.	शुक्र ग्रह पर हरित गृह प्रभाव के लिए उत्तरदायी गैस है :
A.	Carbon dioxide (CO2)
B.	Oxygen (O2)
C.	Ozone (O3)
D.	Nitrogen (N2)
Answer» B. Oxygen (O2)

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