pick from the following.
I. microwave.
II. carbon.
III. nuclear.
IV. radioactive.
Given those answer options, answer the question: Answer the following question given this paragraph: The age of a rock in years is its absolute age. The main evidence for absolute age comes from radiometric dating methods, such as carbon-14 dating. These methods depend on radioactive decay. Q: Radiometric dating methods, such as carbon-14 dating depend on what type of decay? A:
A:
IV.