Answer:
Your pineal gland. Its responsible for producing melatonin, a hormone that helps regulate sleep and wakefulness.
Answer:
Periodization can mean..
Explanation:
the process of categorizing the past into sections or periods of time. This is usually done in order to categorize and make it easier to talk about a specific time period.
Answer:
The current population of earth is 7.9 billion if that is what you were asking.
