Question

which statements describe the planets? check all that apply. mars and venus are mostly rock. the ancient greeks discovered all the planets in the solar system. saturn is classified as a gas giant. jupiter is mostly rock surrounded by clouds. pluto is considered a dwarf planet. earth is much smaller than uranus.

Explanation:

Mars and Venus are terrestrial planets composed mainly of rock. Saturn is one of the gas - giants in our solar system. Pluto has been re - classified as a dwarf planet. The ancient Greeks did not discover all planets. Jupiter is a gas giant, not mostly rock. Earth is larger than Uranus in terms of density though Uranus is larger in volume.

Answer:

• Mars and Venus are mostly rock.
• Saturn is classified as a gas giant.
• Pluto is considered a dwarf planet.