Why is it commonly believed that carbon dioxide is responsible for global warming? Carbon dioxide levels in the Earth's atmosphere have been steadily decreasing.
O Carbon dioxide has a longer average lifetime in the atmosphere.
O The warming effect associated with carbon dioxide has remained unchanged.
O Other greenhouse gases amplify the effect of carbon dioxide.

The correct answer is

Explanation:

Carbon dioxide has a longer average lifetime in the atmosphere.

It is the correct answer. I AM A 100% SURE OF THAT.

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i think the answer is b.

donald carl johanson (born june 28, 1943) is an american paleoanthropologist. he is known for discovering – with yves coppens and maurice taieb – the fossil of a female hominin australopithecine known as "lucy" in the afar triangle region of hadar, ethiopia.

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