Crossword Puzzle: KAM2

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Across
  1. 3. Natural stream of water.
  2. 6. Device for protection against rain.
  3. 7. Vehicle that runs on tracks.
  4. 8. Mountain that can erupt.
  5. 10. Star at the center of our solar system.
  6. 11. The natural world collectively.
  7. 12. Female ruler of a country.
Down
  1. 1. Water flowing over a cliff.
  2. 2. Striped animal related to horses.
  3. 4. Large natural elevation of the earth's surface.
  4. 5. Flightless bird found in Antarctica.
  5. 9. Large body of salt water.