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PHYSICS NEED HELP . . . . . . . . . . . . . . . . . . . .
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PHYSICS NEED HELP . . . . . . . . . . . . . . . . . . . .

PHYSICS NEED HELP . . . . . . . . . . . . . . . . . . . .-example-1
User Sarasgupta
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The one in the middle, refraction is the change in direction of a wave passing from one medium to another or from a gradual change in the medium.
User Romance
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The answer to this question is C.
User GameKyuubi
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