Question

Which natural phenomenon is the best example of periodic behavior?

A. Your average daily bank balance.
B. The time of sunrise each day.
C. The amount of pollution in Los Angeles as a function of time.
D. The population of a city over time.

Answer 1

To be considered periodic, an event has to happen over and over in a predictable way. The only choice that reflects this behavior is B.

Answer 2

Ok thank you!