Crossword

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Across
  1. 5. Waterfall at the border between Ontario and New York (7)
  2. 8. Make worse (6)
  3. 9. Close-fitting legwear (6)
  4. 10. Plant found on the back of the South African 50-cent Coin (10)
  5. 12. Typical instance (7)
Down
  1. 1. This popular houseplant was one of the first plants to be sent into Space (9)
  2. 2. Ninth letter of the Greek alphabet (4)
  3. 3. Country whose cities include Timbuktu (4)
  4. 4. Class, kind or style (5)
  5. 6. Absorbent pad used to cleanse a wound (4)
  6. 7. The same again (5)
  7. 11. ___ and pears (stairs) (6)