II. Check your Understanding. Read the following statements. Write TRUE if it states a fact or FALSE if it does not. 6. The Earth has elements that are essential to sustain life, an appropriate temperature and other environmental factors that favor life to flourish 7. Uranus is the only planet that rotates on its side. 8. Because Jupiter is the biggest and heaviest planet, It can sustain all the living things on Earth. 9. Venus is the closest and the hottest planet in the solar system 10. Most Jovian planets are made mostly of methane, hydrogen and helium gases