Radiometric dating is possible because the rates of decay of radioactive isotopes are constant vary widely change over time change from place to place

I think the correct answer from the choices listed above is the first option. Radiometric dating is possible because the rates of decay of radioactive isotopes are constant. Hope this answers the question. Have a nice day. Feel free to ask more questions.

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.