Answer: Decreased levels of melatonin
Explanation: Melatonin is a substance that is excreted at night and by which the brain sends signals that one should sleep, that is, a man / woman is feeling sleepy. When melatonin secretion decreases, the alertness increases, as is the case with Colby. Melatonin levels decrease at the base of the brain signal regardless of whether or not Colby slept enough the previous night. Feeling tired will induce some other receptors and consequent signals from the brain, but a natural decrease in melatonin throughout the day occurs normally.
Answer:
The answer is only on tuesdays
Explanation:
The correct answer is C) Black leaders led protests near the U.S. Congress meetings, demanding federal help.
Explanation: Black leaders were constantly pushing for improvements for the Afro-american community.
Answer:
The answer is "evolutionary"
Explanation:
In the evolutionary approach, it uses analysis techniques for the basic principle, which is used to clarifies the basic human behavior pattern, and it also includes its adjustment, reproductive success, and all the natural processes. This theory is used to explain the personality of the human-like, emotional, and physiological features when it changes as responsive natural processes ingredients.