Nature

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Across
  1. 3. Cascade of water falling from a height
  2. 6. Natural flowing watercourse
  3. 8. Area with many trees and vegetation
  4. 11. Vast body of saltwater covering most of the Earth's surface
  5. 12. Grass-covered field with wildflowers
  6. 14. Colorful plant part that blooms and attracts insects
  7. 16. Expanse above the Earth where clouds and stars appear
Down
  1. 1. Tall landform with steep sides and a peak
  2. 2. Natural underground hollow or passage
  3. 4. Arc of colors that appears in the sky
  4. 5. Natural satellite that orbits around the Earth
  5. 7. Star that provides light and heat to the Earth
  6. 9. Tall plant with a trunk and branches
  7. 10. Sandy or rocky area along a body of water
  8. 13. Arid and sandy region with little vegetation
  9. 15. Large body of water surrounded by land