Answer:
These planets are much larger than the inner planets and are made primarily of gases and liquids, so they are also called gas giants. ... Since the inner planets didn't have enough mass to hold on to these light gases, their hydrogen and helium floated away into space.
Explanation:
Movable type is the correct answer I believe.
Hope that helps!
:D®
Classification of living things is always changing because the scientific knowledge about living things keep increasing.
