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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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eliza20 eliza20
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6 years ago
What is considered to be a time when specific environmental or biologic events must occur for development to proceed normally?
 
  A) Infancy phase
  B) School age period
  C) Crucial period
  D) Critical period
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simplycoolsimplycool
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6 years ago
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eliza20 Author
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6 years ago
Thanks
kaytee23
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Yesterday
Brilliant ツ
wyq2651
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2 hours ago
Thanks for your help!!
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