Question

What are 2 major differences in the composition of the inner and outer planets?

Answer 1

http://www.bobthealien.co.uk/innerouter.htm

Answer 2

The small inner planets (Mercury, Venus, Earth, and Mars) are composed mostly of silicate rocks and metals; the outer planets (Jupiter, Saturn, Uranus, and Neptune) are much larger, consist mostly of gaseous hydrogen and helium and ice, and have large systems of icy moons.

Answer 3

explanet.info/Chapter01.htm

Answer 4

The compositions of inner planets are: iron, nickel, and rock formations.