The Basis for the Carbon-14 Dating Method Is That ________

The basis for the carbon-14 dating method is that ________.

A) the amount of carbon-14 in all objects is the same
B) carbon-14 is very unstable and is readily lost from the atmosphere
C) the ratio of carbon-14 to carbon-12 in the atmosphere is a constant
D) living tissue will not absorb carbon-14 but will absorb carbon-12
E) All of the above are correct.