1. What occurs when there is a change in position of an object with respect to a reference starting point? A. Directions
B. Motion
C. Position
D. Displacement

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?

Ascientist wants to test ways to reduce pollution in lake . what is the bestway of doing this