how does a roller coaster transfer energy?\na through the movement of the rider\nb by using solar panels\nc…

Brief Explanations:

A roller - coaster gains potential energy as it is lifted to a height and then converts this potential energy into kinetic energy as it descends. This continuous conversion between potential and kinetic energy is how it transfers energy. The movement of the rider is a result of this energy transfer, not the cause of it. Solar panels and the flow of electricity are not involved in the basic energy - transfer mechanism of a roller - coaster.

Answer:

D. through changes in potential and kinetic energy