Crossword Milo Daykin

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Across
  1. 4. the regions of the surface, atmosphere, and hydrosphere of the earth
  2. 6. the force that draws objects toward its center
  3. 8. rocks formed when rocks are subjected to high heat and high pressure
  4. 9. closest planet to earth
  5. 10. rocks that form through the deposition and solidification of sediment
  6. 12. used to be a planet
  7. 14. regions of matter that make up the earth
  8. 16. the center of the solar system
  9. 18. the layers of gases surrounding a planet
  10. 19. a deposit on the earth of hail, mist, rain, sleet, or snow
  11. 20. the state of the atmosphere at a place and time as regards heat, dryness, sunshine, wind, rain, etc
  12. 21. the movement of the air in the form of a current blowing from a particular direction
Down
  1. 1. the weather conditions prevailing in an area in general or over a long period
  2. 2. center of earth
  3. 3. the most beieived theory of how the universe formed
  4. 5. Discovered gravity
  5. 7. all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds
  6. 11. the process of classifying something according to shared qualities or characteristics
  7. 13. rocks formed by the cooling and solidifying of molten materials
  8. 15. planet we live on
  9. 17. Discovered natural selection