Which statement about the ocean is true? A No evaporation or precipitation in the water cycle occurs over the ocean.
B Most evaporation and precipitation in the water cycle occur over the ocean.
C All evaporation and precipitation in the water cycle occur over the ocean.
D Evaporation, but not precipitation, in the water cycle occurs over the ocean.

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?