I think the correct answer is D: Potential Energy.
The inner planets are closer to the Sun and are smaller and rockier. ... The outer planets are further away, larger and made up mostly of gas. The inner planets (in order of distance from the sun, closest to furthest) are Mercury, Venus, Earth and Mars.Apr 23, 2014
Answer:
a force
Explanation:
a force causes a certain object to move and make a displacement.
