Respuesta :
Answer:
C- speed
Explanation:
Refraction is the bending of waves caused by a change made in the speed which allows it to move from one medium to another.
Answer:
C. Speed of light
Explanation:
Refraction of light is caused due to change in the speed of light in different mediums. Refraction is the bending of the path of a light wave as it passes from one material into another material. The refraction occurs at the boundary and is caused by a change in speed of light wave upon crossing the boundary