Inner planets usually have... (Select all that apply.)
Shorter revolution times
Rings
Many Moons
Made of rock
No rings
Longer Revolution Times
Smaller diamters
Few or no moons
Larger diameters
Made of gas

Shorter revolution times, Made of rock, No rings

Explanation:

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The four planets closest to the Sun—Mercury, Venus, Earth, and Mars—are the inner planets or terrestrial planets (Figure below). They are similar to Earth. All are solid, dense, and rocky. None of the inner planets has rings. Compared to the outer planets, the inner planets are small. They have shorter orbits around the Sun and they spin more slowly. Venus spins backward and spins the slowest of all the planets.

All of the inner planets were geologically active at one time. They are all made of cooled igneous rock with inner iron cores. Earth has one big, round moon, while Mars has two very small, irregular moons. Mercury and Venus do not have moons.