Mason's crossword

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Across
  1. 3. rain
  2. 5. the path the river takes
  3. 6. the start of the water cycle
  4. 9. the sun heats the water
Down
  1. 1. the wearing away of rocks and soil
  2. 2. vapor comes out of bushes and trees
  3. 4. a small steam joins a larger stream
  4. 7. sides of a river
  5. 8. the start of a river