Ignore this if u see this, idk how to delete a question.

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13