encircling it. 1. Directions: Read each statement carefully and choose the best 1. What is Earth's twin planeta a. Jupiter c. Uranus b. Saturn d. Venus 2. Which planet has the "great red spot"? a. Jupiter C. Mars b. Uranus d. Neptune 3. Which is the only planet that can sustain life? C. Saturn a. Earth d. Mars b. Jupiter 4. Which is the second largest planet in the solar system? a. Neptune C. Saturn d. Uranus b. Jupiter 5. Which is the hottest planet in our solar system c. Mercury O. Mors d. Uranus b. Venus​