days and nights on earth

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Across
  1. 7. season when its December, January and February.
  2. 9. which day comes after Monday.
  3. 11. what day is after Saturday.
  4. 13. season when its September, October, November.
  5. 14. aluminates the sky at night.
  6. 15. which day comes before Sunday.
  7. 16. the season when nature blooms.
  8. 17. there is 24hours in a _____.
Down
  1. 1. when there's stars in the sky.
  2. 2. what day is 3 days after Monday.
  3. 3. first day of the week.
  4. 4. 3 months in a year is called a _______.
  5. 5. season when its June, July, August.
  6. 6. if its Saturday what day was it yesterday.
  7. 8. what day comes before Thursday.
  8. 10. what is made out of 365 days
  9. 12. is 4.603 billion years old.