During practice, a soccer player a ball and sends it rolling across the grass. Over a short distance, the ball slows down and stops. Which two statements support the idea that energy is conserved in this example?

A. The potential energy of the ground increased as the kinetic energy of the ball decreased.

B. The kinetic energy of the ball was gradually destroyed as the ball rolled along the ground.

C. Some of the ball's kinetic energy was converted into thermal energy due to friction.

D. Chemical energy in the soccer player's body was converted into kinetic energy during the kick.