C. details. While everything else is also important, you need details to make the writing more than just a summary.
Basically the snowboarder is standing still which is considered to be potential energy potential because it has potential to move but it's not the answer with kinetic energy kinetic energy means that it is actually moving
The correct answer is C.
The world "returned" is a past participle that shows that the action was performed in the past.
"Canoening" and "kayaking" are both gerunds. And "exhilarated" is functioning as an adjective.
