Which is the BEST definition of refraction?

Responses
A Light or sound waves change direction.Light or sound waves change direction.
B Light or sound waves bounce off a medium.Light or sound waves bounce off a medium.
C Light or sound waves move from one area to another.Light or sound waves move from one area to another.
D Light or sound waves increase their rate of dispersion.

1 answer

A Light or sound waves change direction.