The name of the process used to refine oil into different products is

a) filtration

b) distillation

c) vaporization

d) evaporation

How much work would be needed to raise the payload from the surface of the moon (i.e., x = r) to an altitude of 5r miles above the surface of the moon (i.e., x = 6r)?

The speed of light can be used to measure the

Suppose you plot the distance traveled by an object at various times and you discover that the graph is not a straight line. what does this indicate about the object's acceleration?