What is true of a gas? a. a gas has a fixed shape and will expand or shrink to fill any container. b. a gas has a fixed shape and has the same volume in any container. c. a gas has a changeable shape and will expand or shrink to fill any container. d. a gas has a changeable shape and has the same volume in any container.

Correct C

Explanation:

Correct C. A gas has a changeable shape and will expand or shrink to fill any container.

Explanation: A gas has a changeable shape. You can see this when a gas takes the shape of the container it is put in. A gas can expand or be compressed to fill any container, no matter how large or small the container is.

A fixed shape with the same volume in any container (choice B) describes a solid, while a changeable shape with the same volume in any container (choice D) describes a liquid. Choice A does not correspond to any known phase of matter.

ans.

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thus, the correct answer includes options and f).

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