Which of the following statements is correct ........

Environment and Ecology Pollution

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Which of the following statements is correct?

Carbon dioxide is the biggest overall contributor to the greenhouse effect.

Water vapour has a lifetime of over 100 years in atmosphere.

Water vapour as a greenhouse gas is anti-correlated with other greenhouse gases in atmosphere.

Water vapour is non-human induced biggest contributor to greenhouse effect.

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Explanation:

Overall the largest contributor to green house effect is water vapour. Water vapour has a very short lifespan in the atmosphere. The amount of water vapor is directly correlated with other green house gases and is the biggest non-human induced biggest contributor to greenhouse effect. Hence, answer is D.