Read the story and answer the questions to test your comprehension.
Earth is the largest of the terrestrial planets in the Solar System. It is the only place in the universe where life is known to exist. About 71% of the planet is covered in water.
1. How much of Earth is covered in water?
- a. 88%
- b. 50%
- c. 71%
2. Where is life known to exist?
- a. Mars
- b. Jupiter
- c. Earth
3. Earth is the largest of what kind of planet?
- a. Terrestrial
- b. Galactic
- c. Oceanic