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List 2 other examples of cycles. Why are they cycles?
examples:
recycling (because plastic things are used, melted down, and made into more plastic things, used, melted down...)
the life cycle (something is born, grows up, has babies, dies, the babies grow up....)
the cycle of the seasons (winter, spring, summer, fall, winter, spring summer, fall....)
the school year cycle (beginning of the year, end of the year, summer, beginning of the year, end of the year....)