Which of the following is responsible for refraction? A. Some light waves are reflected back into the atmosphere.
B. Light travels through different mediums at different speeds
C. Some light waves get absorbed by the environment.
D. Light always bends away from water.

Why should seat belts not be mandatory quick plz

True or false graphs must include scales that increase by the same amount

An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 ˚f and standard atmospheric pressure, what is the value of the mach number?