Question

Changes that repeat after a definite interval of time are called _____________.

• A. non-desirable changes
• B. desirable changes
• C. periodic changes
• D. non-periodic changes

Answer 1

The correct option is C periodic changes

Changes that occur repeatedly after a definite interval of time are known as periodic changes.
The occurrence of day and night is an example of periodic change, as it repeats after every twenty-four hours.