Question

I NEED THIS ASAP!!!!!!!!

Which phrase describes the element carbon-14?

decays at an unknown rate
found in an organism’s remains
forms from the breakdown of nitrogen-14
is measured to determine the age of sedimentary rocks

Answer 1

Its used to measure to deternube the age of sedimentary rocks

Step-by-step explanation:

Its radioactive and used for radiocarbon dating and radiolabeling.