Statement is the best description of the kinetic theory of matter?

Is it possible to use the energy from two atoms colliding to create a clean burning lasting fuel source with a large amount of force? is it also possible to harness that energy from the two atoms colliding to create a clean energy source that will last for years from just two atoms colliding. is there a possibility to control and store that energy for years but slowly let the energy out enough to power cities cheaper and faster.

Which of the following is not am example of a polymer? protein nylon kevlar concreta

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?