Genral Knowledge

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Across
  1. 1. study of stars and planets
  2. 4. part of plant that absorbs water
  3. 6. largest organ in the human body
  4. 8. largest animal on the Earth
  5. 9. person who invented the light bulb
Down
  1. 2. red planet
  2. 3. satellite that orbits the Earth
  3. 5. animal that eat dead
  4. 7. force that pulls object towards the Earth
  5. 10. important for humans to stay alive