Geography

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Across
  1. 5. a forest in a tropical area
  2. 6. Large area of flowing water
  3. 8. Small body of still water
  4. 9. a field with grass and often wild flowers
Down
  1. 1. Highest point of a mountain
  2. 2. Hill of sand formed by wind
  3. 3. Sandy area by the sea
  4. 4. water falling to a much lower level
  5. 7. a large valley with steep sides