Helppp please science stuf :/

Which process must a cell undergo top identical cells at the end of cell division

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis.b. the primary role of microbes on the planet involves causing disease in animals and humans.c. microbes produce vitamins in the intestines.d. microbes play a role in breaking down waste and decomposing dead organisms.

At which location in earth’s interior does the top density continue to increase as thickness decreases?