What is a simple definition of atom, particle, and kinetic?

Atom: The smallest particle of an element that has the properties of the element and can exist either alone or in combination.

Particle: One of the very small parts of matter (as a molecule, atom, or electron)

Kinetic: Of or relating to the motions of material bodies and the forces and energy associated with them

Explanation:

answer; i do believe the correct answer is (river); /// good luck

by cartels in other countries, shipped by air, mail, or land. i cant really see your answer choices : /