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6. What is the gravity on Earth?
7. What do all planets orbit around?
- The sun
- The stars
- The moon
- The son
8. What is unique about Earth?
- It is the only one that we know of that contains life.
- nothing
- it had air, food supply and water
- It is the only one that we know of that contains air.
- It is the only one that we know of that contains toilets.
9. When was Pluto declassified as a planet?
- Because it is to big to be a planet
- Because it is too small to be a planet
- Because it is too small to be a door
- Because it is to small to be a star
10. How old is the Earth?
- 4.5 billion years old.
- 1 minute old.
- 2.5 billion years old
- 200,000
- 1 billion years old