Help pls I don’t know what to do

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse

Which describes an object in projectile motion? check all that apply.a.gravity acts to pull the object downb.the object moves in a straight path.c.the forward velocity of the object is 0 m/s.d.the object’s inertia carries it forward.e.the path of the object is curved.

Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.