will mark as brainliest if correct!!!!!!!!!!
Light is traveling in air at a speed of 300,000 km/s. Which substance would cause the light to refract the LEAST?
A. ruby (speed of light = 170,000 km/s)
B. glass (speed of light = 200,000 km/s)
C. water (speed of light = 225,000 km/s)
D. diamond (speed of light = 120,000 km/s)