Crossword

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Across
  1. 5. the pattern of weather in a place
  2. 7. a high, flat area of land
  3. 8. the level of the ocean's surface
  4. 9. a low area of land along a coast
  5. 11. the place a river begins
  6. 13. a natural feature of the earth's surface
  7. 14. where hot lava comes from
Down
  1. 1. a river that empties into another
  2. 2. a group of waterways that drain into the same place
  3. 3. a gap through a mountain range
  4. 4. a low, shallow area of land
  5. 6. the height of land
  6. 7. land with water on three sides
  7. 10. an area of ocean surrounded by land
  8. 12. a narrow valley with steep walls