Which of the following gases is not considered a greenhouse gas? - General Knowledge MCQ Practice Test 2026 | ExamTest.live | ExamTest.live

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Which of the following gases is not considered a greenhouse gas?

A $Water vapour$
B $Helium$
C $Carbon dioxide$
D $Methane$

Solution & Step-by-step Explanation

Helium is a noble gas and does not absorb or trap infrared radiation in the atmosphere, hence it is not a greenhouse gas. Water vapour, carbon dioxide, and methane are major greenhouse gases that contribute to the greenhouse effect.

Practice this question

Try it yourself before checking the explanation above.

Which of the following gases is not considered a greenhouse gas?

A

Water vapour

B

Helium

C

Carbon dioxide

D

Methane

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environmental science greenhouse gases climate change

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