Rivers

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Across
  1. 3. The end of a river – where it meets the sea or a body of water.
  2. 5. The boundary between two drainage basins marked by a ridge of high land.
  3. 7. The point where a tributary joins a larger river.
  4. 9. A small stream that joins a larger river.
  5. 10. The start of a river
Down
  1. 1. the relatively flat land on either side of a river channel
  2. 2. the wide mouth of a river where a river connects to the tide and the ocean
  3. 4. the groove in the base of a valley in which a river flows
  4. 6. a pronounced bend in a river
  5. 8. an area of land drained by a river and its tributaries