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stringbean9051 stringbean9051
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6 years ago
A child who is born blind, will:
 
  a. never learn how to smile.
  b. have to be told how to move the facial features to elicit a smile.
  c. learn to smile on a similar trajectory as sighted children.
  d. will smile as sighted children do, but will have to be taught how to facially express sadness.
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estiee3estiee3
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6 years ago
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