What percentage of north american adults may be functioning below their potential due to prolonged exposure to stress?
a. 50–60 percent
b. 15–20 percent
c. 45–50 percent
d. 35–40 percent

menstruation is a process in which blood and mucous flows out every month through the vagina. this process occurs every month because one egg is released from the ovary every month and at the same time, the uterus (womb) prepares itself to receive the fertilized egg.

explanation:

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the answer is it ussually drops give brainliest

the answer is c dandruff