Train your brain

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Across
  1. 2. The creator of the Harry Potter fantasy series
  2. 3. Has a trunk
  3. 5. The largest river in the world
  4. 7. Last day of a week
  5. 8. Capital of Kenya
  6. 10. Likes to chase mice
Down
  1. 1. One of the most essential nutriets in a healthy diet
  2. 4. The largest ocean in the world
  3. 6. Man's best friend
  4. 9. Flying mammal