Answer:
Only 40 percent of teen mothers finish high school
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the human body has about 206/207 bones. and the human brain has about 100 billion braincells.
Answer:
In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46. Twenty-two of these pairs, called autosomes, look the same in both males and females. The 23rd pair, the sex chromosomes, differ between males and females
