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which of the following best describes a gas?
a)a state of matter composed of tightly packed molecules.
b) a state of matter composed of freely moving molecules.
c)a substance that is not capable of infinite expansion.
d)a substance that is easily poured.

B. A state of matter composed of freely moving molocules.

Solids are tightly packed (A), C & D is liquids.

Iwolud you, but i dont know what you are asking.

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