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sophie0209 sophie0209
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Posts: 656
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6 years ago
Consider the diagram below.
 
  Which of the following correctly represents the components transported by the lettered arrows?
  a.
  A - waste
  b.
  B - oxygen
  c.
  C - food
  d.
  D - carbon dioxide
  e.
  Both B and D are correct representations.
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6 years ago
e
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