The outer planets are <span>Jupiter, Saturn, Uranus and Neptune while the inner planets are Mercury, Venus, Earth, and Mars. The outer planets have more moons than the inner planets because these planets are much larger than the inner ones. The inner planets are terrestrial while larger ones are called gas giants, mostly made up of gas.</span>
Explanation:
high energy to Low energy
=the electron gains energy (K.E)
In an undisturbed sequence of layers of rocks, the younger layers lie on top of the older layers