It is a potent greenhouse gas The transpiration and evaporation increase its concentration in the at...........

Environment and Ecology (Easy) Envirnment and Climate Change

It is a potent greenhouse gas. The transpiration and evaporation increase its concentration in the atmosphere. Its concentration greatly varies from season to season and region to region. It is one of the highest contributors to the warming of the earth due to its capacity to absorb both incoming and terrestrial radiation. The greenhouse gas being described here is:

Chlorfluorocarbons(CFCs)

Nitrogen oxide

Water vapour

Carbon dioxide

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Explanation:

The most dominant greenhouse gas overall is water vapour, but it has a very short atmospheric lifetime (about 10 days). Water vapour is also a variable gas in the atmosphere, which decreases with altitude. Water vapour also decreases from the equator towards the poles. In the warm and wet tropics, it may account for four per cent of the air by volume, while in the dry and cold areas of desert and polar regions, it may be less than one per cent of the air. One unique feature about this greenhouse gas is that it absorbs both incoming and outgoing solar radiation.