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Which describes why liquid moves through a straw?

A. The straw allows a method of escape for the liquid in the glass.
B. The liquid inside the straw has a higher pressure than the air outside, so it draws the air in.
C. The air pressure creates a vacuum in the straw that pulls the air into the liquid.
D. The atmosphere pushes down on the liquid in the glass causing it to rise in the straw.

1 Answer

3 votes

Answer:

C.

The air pressure creates a vacuum in the straw that pulls the air into the liquid.

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