Weather and Weather fronts

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Across
  1. 3. rain, snow, sleet, or hail that falls to the ground.
  2. 5. the invisible gaseous substance surrounding the earth, a mixture mainly of oxygen and nitrogen.
  3. 7. Biggest star visible on earth
  4. 8. a front that brings cool air
  5. 9. a condition of the atmosphere in which the pressure is above average
  6. 11. a very large expanse of sea, in particular each of the main areas into which the sea is divided geographically.
  7. 12. a breeze blowing toward the land from the sea, especially during the day owing to the relative warmth of the land.
Down
  1. 1. a condition of the atmosphere in which the pressure is below average
  2. 2. a weather front or transition zone between two air masses
  3. 4. a front that brings warm air
  4. 6. a breeze blowing toward the sea from the land, especially at night, owing to the relative warmth of the sea.
  5. 10. the star around which the earth orbits.