which characteristic of potassium makes it useful for dating rocks? it has a long half - life. it decays at…

which characteristic of potassium makes it useful for dating rocks? it has a long half - life. it decays at an unknown rate. it produces lead as it breaks down. it can be used to date all types of rock.
Answer
Brief Explanations:
Potassium - argon dating is a common radiometric dating method. The long half - life of potassium - 40 allows it to be used for dating old rocks. It decays at a known rate, doesn't produce lead on breakdown, and can't date all rock types.
Answer:
It has a long half - life.