Explain how to fix erosion on a hill with planting trees Please have a paragraph or 2

I only have 1 hour left so no hurry but really need an answer

They both determine the exact age of rocks.

Mitochondria produce atp, a high energy compound. atp is used for all sorts of enzyme-mediated reactions, such as making proteins/nucleotides/etc, certain compounds cross the cell membrane, muscles move, etc.  without this source of energy, a cell will die. it will not be able to repair itself, defend against pathogens, etc.