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Author Question: Muscle and bones develop during the embryonic period from cells contained in the ____ layer. a. ... (Read 93 times)

Medesa

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on: Jun 22, 2018
Muscle and bones develop during the embryonic period from cells contained in the ____ layer.
 
  a. mesoderm
  b. endoderm
  c. placenta
 d. ectoderm

Question 2

Which factor seems to be most involved in timing of menarche in many industrialized nations over the past 150 years?
 
  a. Parenting skills
  b. Nutrition
 c. Education
 d. Genetics


dellikani2015

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Reply #1 on: Jun 22, 2018
Answer to Question 1

a

Answer to Question 2

b


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Medesa

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Reply #2 on: Jun 22, 2018
Thank you


dellikani2015

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Reply #3 on: Jun 22, 2018
No problem :)


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