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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
Smart ... Thanks!
Fanmkreyol
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Yesterday
This helped my grade so much Perfect
branbran2k16
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2 hours ago
Thanks
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