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15 February, 10:22

On a hot day, the sun causes the sidewalk to become very warm. How do the particles that make up the sidewalk change as the temperature increases?

A:They move closer together.

B:They move freely from place to place.

C:Their kinetic energy decreases.

D:They move faster.

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Answers (1)
  1. 15 February, 13:28
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    D. They move faster
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Home » Chemistry » On a hot day, the sun causes the sidewalk to become very warm. How do the particles that make up the sidewalk change as the temperature increases? A:They move closer together. B:They move freely from place to place. C:Their kinetic energy decreases.
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