Answers

2015-09-03T07:06:09+05:30
The earth rotates around the sun on a fixed elliptical path.This is known as revolution.The revolution of the earth causes the seasons to change.
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2015-09-03T09:46:40+05:30
Earth rotates on its own axis which causes day and night. earth also revolve around the sun in a fixed path called orbit which causes change in seasons. if rotation or revolution stops then one part of the earth will always have night and winter while other will have only day and summer seasons.
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