Our ____, the Earth ____ around the Sun. This revolution takes a ____ which is 365 days and 6 hours or 52 weeks or 12 months or 4 seasons. Earth also ____ on its ____, which is an imaginary line between North and South Pole. These two ____ of the Earth around the Sun ____ changes of day and night, and the seasons. ____ change on or around the 21st of four months: ____ (spring comes), ____ (summer comes), September (____ comes) and December (____ comes).

Seasons

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