When does the brain finish developing? the mid-teens
at about age twenty
at about age twelve
the mid-twenties

at the age of 25

Explanation:

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At about age 25

Explanation:

Sources:

Recent research has found that adult and teen brains work differently. Adults think with the prefrontal cortex, the brain's rational part.

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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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