Idk

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Across
  1. 2. lets light enter
  2. 6. cant see near object
  3. 8. cant see far object because his eye is too short
Down
  1. 1. gives us light
  2. 3. a form of energy that enables us to see
  3. 4. forms image of object
  4. 5. we use it to hear
  5. 7. we use it too see