An experiment is a scientific procedure that is used to demonstrate a fact, test a hypothesis or make a discovery
Because the cells can only use energy in form of ATP.
Its like you can't run a diesel truck on petrol.
I believe the answer is c
In biology, diffusion is the movement of substances with the concentration gradient, which means they move from an area of high concentration to an area of low concentration. Facilitated diffusion is diffusion that is performed with the help of a carrier protein that can move particles of the substance.
