will mark as brainliest if correct!!!!!!!!!!!
Light passes from substance A into substance B as shown. What could these two substances be?
A. A could be diamond (speed of light = 120,000 km/s); B could be air (speed of light = 300,000 km/s).
B. A could be sapphire (speed of light = 170,000 km/s); B could be ruby (speed of light = 170,000 km/s).
C. A could be ruby (speed of light = 170,000 km/s); B could be diamond (speed of light = 120,000 km/s).
D. A could be water (speed of light = 225,000 km/s); B could be diamond (speed of light = 120,000 km/s).

will mark as brainliest if correct Light passes from substance A into substance B as shown What could these two substances be A A could be diamond speed of ligh class=