A Review of EVERYTHING This Year

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Across
  1. 4. the San Andreas _______________
  2. 6. the largest planet
  3. 7. where magma is stored underground
  4. 10. another name for savannah
  5. 11. Earth's twin
  6. 12. where an earthquake originates
  7. 14. the number of moons Earth has.
  8. 15. a giant vacuumm in space which nothing escapes from
  9. 18. the only planet with VISIBLE rings
  10. 20. home of a Gila Monster
Down
  1. 1. a dwarf planet
  2. 2. the red planet
  3. 3. the galaxy we live in
  4. 5. where I'd find a beluga whale
  5. 8. the biome where trees do not lose their leaves
  6. 9. home of the Sloth
  7. 11. where the lava comes out on top
  8. 13. the wave that comes first in an earthquake
  9. 16. the planet we live on
  10. 17. the planet with INVISIBLE ice rings
  11. 19. the biome we live in