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rizzy9 rizzy9
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6 years ago
In the carbon cycle, animals play a fundamental role by:
 
  a. decreasing the amount of dissolved carbon dioxide.
  b. increasing the amount of dissolved carbon dioxide as a result of respiration.
  c. increasing the amount of dissolved carbon dioxide as a result of photosynthesis.
  d. decreasing the amount of plant biomass.
  e. decreasing it as a result of photosynthesis.
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