Tidal force can best be seen in the water covering earth true or false

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

Study this image which statement best describes the rock shown check all that apply

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