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English, 26.10.2021 02:00 halllawson

Which sentence BEST states the central idea of the first paragraph of "Roller Coaster Physics"? A. Potential energy is created by the lift hill.

B. Gravity is the force that makes roller coasters possible.

C. Kinetic and potential energy work together to power roller coasters.

D. Potential energy builds as a train car goes up the lift hill, while gravity pulls a train car down the tracks.

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