Question

Which of the following statements regarding radiocarbon dating is true?
A. It is useful for dating all inorganic things.
B. It is useful for dating some organic things.
C. It is useful for dating some materials that are millions of years old.
D. It is useful for dating some materials that are billions of years old.

Answer 1

c it can't go to billiona

Answer 2

C. It is useful for dating some materials tat are millions of years old.

When an organism dies, it's bone tissues aren't replaced, and so you can find out through radio-active decay how old it is. 

hope this helps