How can i identify an element by the number of protons?

Mitosis is a type of cell division that produces cells that are identical to the parent cell. meiosis is a different type of cell division that produces cells that carry have a genetic material of the parent cell. based on the information provided how do the purpose of mitosis and meiosis differ

Complete each row of the table below by filling in the missing prefix or missing exponent.

Which is true according to the law of conservation of energy