Well its C, cant show you the work its in my head sorry.
Answer:
Reflection
Explanation:
As light is scattered on items which do not generate illumination, they reflect it. This is attributed to the fact that light reflects off of themselves. The moon, for example, absorbs sunlight such that it can be seen at night.
U can always just do the classic roller coaster going up an incline and create some sort of story from that.
Work = force × distance
= 35 N × 200 m
= 7000 J