How is solar energy being used as a renewable energy source ? how do nonrenewable resources have an impact on humanity ?

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

The fact that the total amount of energy in a system remains constant is a(n)

Which is an example of a reversible physical change?