What do a dinosaur and a tree have in common

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

All organisms contribute some water to the water cycle by conducting

Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material