Hydrogen peroxide is a harmful by-product of normal metabolic activity. in order to prevent damage, hydrogen peroxide must be broken down into water and oxygen quickly. what would speed up the decomposition of hydrogen peroxide

Gravitational potential energy is related to

My plate recommends that of your nutritional intake comes from fruits and vegetables. a. 30% b. 50% c. 20% d. 40%

How is it possible for someone to put an ear to a wall and hear someone in the next room?     a. sound waves can travel though solids.    b. the waves travel from room to room via air.    c. there must be some air in the wall so the sound can travel through it.    d. sound waves change to electromagnetic waves and then back again.