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cheyww cheyww
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6 years ago
A major factor contributing to increases in the proportion of elderly in the United States is
 
  a. reduced birthrates.
  b. greater infant mortality.
  c. more spread of infectious childhood diseases.
  d. molecular alteration of aging.
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alimoreyalimorey
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6 years ago
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cheyww Author
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6 years ago
Correct Slight Smile TY
7.prime7105
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Yesterday
this is exactly what I needed
Morgan-C
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2 hours ago
Brilliant ツ
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