D magma because the plates are underneath the crust and underneth the plates are magma and then the (thought to be) iron core
Answer:
Uranium-238 or lead-206 are most often used to date rocks. ... Carbon-14's half-life is much too long to use for dating rocks. C) The half life of carbon-14 is about 5700 years and is too short date rocks. D) Carbon-14 is only found in living things; it can only be used to date remains
Explanation:
hope this helps
Thats hard as hell just drop out of the class lol
