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Answered

In refraction, when a wave travels from one medium to another, it

Achanges speeds.
Bstays in step.
Calways moves in the same direction.
Dtravels in the opposite direction.

Verified Answer :

In refraction, when a wave travels from one medium to another it changes speed.

Correct option is A.

kaileyr172001

A.) Changes speed

hope this helps

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