Question

Which atmospheric gas is mainly responsible for Green House effect ?

Answer 1

there is not single gas many gases
some of them are carbondioxide, carbon monoxide, water vapor, sulphur dioxide, etc

Answer 2

hlo mate.

here is your answer.

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Green house effect is caused by many gases like carbon -dioxide, carbon -monoxide and many others but the quantity of carbon -dioxide is more.

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hope it helps you