Radiocarbon dating is possible primarily because ____.
A)the ratio of carbon-14 to carbon-12 in the atmosphere is constant
B)carbon-14 is constantly being formed in the upper atmosphere
C)living organisms selectively use carbon-13 and carbon-12
D)organisms stop accumulating carbon-14 when they die
E)carbon 14 decays to oxygen

Question

Quizplus · Accepted Answer

The Answer of Radiocarbon dating is possible primarily because ____.
A)the ratio of carbon-14 to carbon-12 in the atmosphere is constant
B)carbon-14 is constantly being formed in the upper atmosphere
C)living organisms selectively use carbon-13 and carbon-12
D)organisms stop accumulating carbon-14 when they die
E)carbon 14 decays to oxygen

Radiocarbon Dating Is Possible Primarily Because ____