Which of the following atmospheric gases constitute greenhouse gases?a – McqOptions

MCQOPTIONS

1.	Which of the following atmospheric gases constitute greenhouse gases?a. Carbon dioxideb. Nitrogenc. Nitrous oxided. Water vapourSelect the correct answer using the codes given below :
A.	a, c and d
B.	a and d
C.	a and c
D.	a, b and d
Answer» B. a and d

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