Question

define periodic change????????????​

Answer 1

Periodic and non-periodic changes Changes that repeat at regular intervals are called periodic changes. Examples: The occurrence of day and night and the waxing and waning of the moon. Certain changes that do not repeat themselves at regular intervals of time, and such changes are called non-periodic changes

Answer 2

this defines both periodic change and non periodic change

Periodic and non-periodic changes Changes that repeat at regular intervals are called periodic changes. Examples: The occurrence of day and night and the waxing and waning of the moon. Certain changes that do not repeat themselves at regular intervals of time, and such changes are called non-periodic changes.