Genral Knowledge

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Across
  1. 1. red planet
  2. 4. bird that lay largest egg
  3. 6. animals that eat dead
  4. 7. study of stars and planets
  5. 9. invented light bulb
Down
  1. 1. natural satellite that orbits the earth
  2. 2. light travels
  3. 3. force that pulls object towards the earth
  4. 5. largest animal on the Earth
  5. 8. largest organ in the human body