1. Which is the most massive planet in the solar system? a. Earth, b. Neptune, c. Saturn, d. Jupiter, e. Mercury 2. Which of the following planets does not have rings? Choose only one. a. Mars, b....

1. Which is the most massive planet in the solar system? a. Earth, b. Neptune, c. Saturn, d. Jupiter, e. Mercury

2. Which of the following planets does not have rings? Choose only one. a. Mars, b. Uranus, c. Neptune, d. Saturn, e. Jupiter

3. Which is the least massive planet in the solar system? a. Mercury, b. Mars, c. Uranus, d. Jupiter, e. Venus