How do scientists use ancient rock to determine the age of the Earth?

1: The radioactive decay of uranium to lead. D

2: The composition of moon rocks and some Earth rocks are similar. B
3: 4.6 billion years ago. A
4: Its hydrogen atoms are heavier than others. C
5: Earth's surface is constantly changing. B

Levi is 100% correct âś…

I think its the raidoactive decay of uraniam to lead. Pls tell me if im right thank you.

Levi is correct

yup levi thank u saved my life from an F

what up yall listen 2 levi

levi thank you but i hate the anime tho