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Author Question: The single most important cause of improvement in child survival in the twentieth century is ______. ... (Read 64 times)

mynx

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on: Jun 22, 2018
The single most important cause of improvement in child survival in the twentieth century is ______.
 
  Fill in the blank with correct word

Question 2

Worldwide, at least ______ children were born between 1950 and 2010.
 
  Fill in the blank with correct word


dlook33

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

immunization

Answer to Question 2

10 billion


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