The words which describe the composition of the inner planets are
- Solid
- Rocky
- Dense
Step-by-step explanation:
In the following category there are certain planets which are counted as the inner planets, Mercury, Venus, Earth and Mars. There planets are small and rocky in nature. Also they are Solid and dense with other planet's nature.
The reason behind these planets is due to these planets were formed closer to sun. There are common features seen in these planets, scientists call these planets as terrestrial planets.
The formation of these planets are found to be of silicate rocks. The Goliath planets are less thick generally speaking since they are made for the most part of gases, and the internal rough planets are progressively thick since they are made primarily of shake.