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fatos fatos
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6 years ago
From the mid-1800s to today, the average age of menarche has changed from
 
  A) age 11 to age 13.
  B) age 13 to age 16.
  C) age 18 to age 10.
  D) age 17 to age 13.
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kokokokokoko
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6 years ago
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fatos Author
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6 years ago
You make an excellent tutor!
hpascoe
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Yesterday
Thanks
jcarter
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2 hours ago
Good timing, thanks!
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