Days, Months, Years

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Across
  1. 4. A month is caused by the revolution of what?
  2. 6. A day is one _____ of the Earth.
Down
  1. 1. A year is one revolution around what?
  2. 2. A day is 24 _____.
  3. 3. A month is one ______ of the Moon around the Earth
  4. 5. A year is 365.25 _____.