Without '''atmospheric carbon dioxide''', life as we know it would not be possible.
Without '''atmospheric carbon dioxide''', life as we know it would not be possible.
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All [[carbon]] in [[protein]], [[lipids]], [[carbohydrate]], and the other [[organic molecule]]s in living things is derived from atmospheric carbon dioxide.<ref> [http://hypsithermal.wordpress.com/2008/08/31/assault-on-reason-by-expert-al-gore/ Assault on Reason, by Expert Al Gore] - Global Warming: A Worn-Out Hoax</ref>
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All [[carbon]] in [[protein]], [[fat]], [[carbohydrate]], and the other [[organic molecule]]s in living things is derived from atmospheric carbon dioxide.<ref> [http://hypsithermal.wordpress.com/2008/08/31/assault-on-reason-by-expert-al-gore/ Assault on Reason, by Expert Al Gore] - Global Warming: A Worn-Out Hoax</ref>