Which quantity helps determine the absolute age of rocks and fossils?(1 point)
Responses
the difference between the amounts of carbon-12 and carbon-14
the difference between the amounts of carbon-12 and carbon-14
the difference between the number of protons and neutrons in carbon-14
the difference between the number of protons and neutrons in carbon-14
the ratio of protons to neutrons in carbon-14
the ratio of protons to neutrons in carbon-14
the ratio of carbon-12 to carbon-14