Answer:
1.The inner planets, or terrestrial planets, are the four planets closest to the Sun: Mercury, Venus, Earth, and Mars
2.The outer planets are planets in the Solar System that are beyond the asteroid belt. The four planets; Jupiter, Saturn, Uranus and Neptune are gas giants.
3.Mercury—the smallest planet in our solar system and closest to the Sun
4. Earth and Venus are considered to be “sister planets”, they are roughly the same size
Explanation:
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