The Earth’s atmosphere contains about 0.04% (or 400 parts per million) carbon dioxide. Although most of the carbon dioxide is in the form 12CO2, which is not radioactive, a specific fraction of the total is made up of radioactive 14CO2.
A) True
B) False

Most of the carbon dioxide preset in the atmosphere is C12 isotope and a very small fraction of The atmosphere is made up by C14 isotope which is radioactive in nature

C14 makes about 1 to 1.5 atoms per [tex]10^{12}[/tex] atoms of carbon in the atmosphere.

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The Earth’s atmosphere contains about 0.04% (or 400 parts per million) carbon dioxide. Although most of the carbon dioxide is in the form 12CO2, which is not radioactive, a specific fraction of the total is made up of radioactive 14CO2. A) True B) False

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The Earth’s atmosphere contains about 0.04% (or 400 parts per million) carbon dioxide. Although most of the carbon dioxide is in the form 12CO2, which is not radioactive, a specific fraction of the total is made up of radioactive 14CO2.
A) True
B) False