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Author Question: The onset of rheumatoid arthritis usually occurs between the ages of _____ _____. A) 30 and 50 B) ... (Read 68 times)

vicotolentino

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The onset of rheumatoid arthritis usually occurs between the ages of _____ _____.
 A) 30 and 50
  B) 60 and 70
  C) 20 and 30
  D) 50 and 60

Question 2

Proteins may contain _____in addition to carbon, hydrogen, oxygen, and nitrogen.
 A) potassium
  B) calcium
  C) sulfur
  D) sodium



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milbourne11

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Answer to Question 1

A

Answer to Question 2

C



vicotolentino

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Both answers were spot on, thank you once again




 

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