Please help with my biology

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics?

Mitosis creates two identical daughter cells from one parent cell creates four nonidentical daughter cells from one parent cell is the most common type of reproduction for bacteria is the process by which male and female reproductive cells are created

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.