According to Newton’s Third Law, if someone jumps off a skateboard, the skateboard will roll backward because - A mass of the skateboard is the same as the mass of the person jumping off.

B the pull of gravity on the person is the same as on the skateboard, regardless of size.

C the air resistance on the person is great and the friction on the skateboard is small.

D for the force that sent the person forward, there is an equal force pushing back on the skateboard.