Answer:
Circadian rhythm, or circadian clock, is an internal biological clock that regulates sleeping and feeding patterns, as well as a whole host of other biological functions in all living organisms. Organisms most active in the daytime are diurnal, humans included, whereas nocturnal organisms come alive at night.
Answer:
I was writing my exam this time.
Explanation:
I was writing my exam this time.
Hope this helps!
it is non-fiction because this is something that can happen or did happen
