Answers

2016-03-24T21:17:43+05:30
A change that does not occur at regular intervals is known as non periodic change.
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2016-03-24T21:19:16+05:30
NON PERIODIC CHANGES ARE THE CHANGES THAT DO NOT REPEAT THEMSELVES AFTER A FIXED INTERVAL OF TIME.

EXAMPLE TORNADO , TSUNAMI , FOREST FIRES , ETC
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