Answer:
diffusion
Explanation:
Diffusion can be defined as the net movement of particles from a high concentration to a low concentration. This sounds like the most plausible word in this case.
Answer:
I believe it is kinetic energy
Hope this is right .-.
<span>Exothermic reactions have a potential energy difference between the products and reactants that is negative. </span>
Answer:
Four elements, hydrogen, carbon, oxygen and nitrogen, are the major components of most organic compounds.
I would guess A or B so yeah