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Rebeccajo Rebeccajo
wrote...
Posts: 752
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6 years ago
In order to accommodate massive jaw muscles, robust australopithecines have flared __________.
 
  a. sagittal crests
  b. mandibles
  c. brow ridges
  d. zygomatic arches
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Replies
wrote...
6 years ago
Correct Answer: d
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