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When Particles are cold they move closer together and move slower. When they’re hot it’s the opposite.

The reason at the time when particles in a solid or liquid move slower and closer together should be explained below.

What are particles?

The particles should be in the form of small pieces of matters. Also, the scientist believed that each and everything in the universe should be made of the particles. here the range of the particles should be in the range via the large  subatomic particles such as electrons or it has lower  microscopic particles.

Learn more about particles here: https://brainly.com/question/21526256