An asteroid belt.
inner planets and gas giants
The asteroid belt is between the inner and outer planets, but mostly it is just empty space.
yes, however as compared to the outer planets, no.
No, the first four inner planets of our solar system (Mercury, Venus, Earth, and Mars) are not gas giants. They are terrestrial planets, consisting of mostly rock and metal with thin atmospheres. Gas giants like Jupiter and Saturn are found in the outer region of our solar system.
none of the inner planets
The inner planets are Mercury, Venus, Earth, and Mars. They are "inner" because the are the first 4 planets from the Sun.
Inner planets
After the inner planets you get the outer planets.
Meteorites.
the inner planets are sometimes called Terrestrial Planets
Inner planets are terrestrial planets outer are jovian planets