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madisonbodiford madisonbodiford
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6 years ago
Edwin is able to see normally in low-light conditions and demonstrates a normal ability to detect movements in his periphery. However, he has great difficulty recognizing different colors. He sees the world mostly in shades of gray. Which structure is either impaired or not present in Edwin's eyes?
 
  a. fovea
  b. cornea
  c. rods
  d. cones
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wrote...
6 years ago
ANSWER:
d
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