nature

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Across
  1. 3. who was an American astronaut and the first person to walk on the Moon
  2. 4. the planet which the most far away from sun
  3. 6. sudden violent shaking of the ground
Down
  1. 1. a storm with a violent wind
  2. 2. fall as water in drops from the clouds
  3. 5. is a violent rotating column of air extending from a thunderstorm to the ground.