c7ho8leahranCitaMayM
c7ho8leahranCitaMayM c7ho8leahranCitaMayM
  • 15-06-2016
  • Physics
contestada

The principle characteristic distinguishing marine and freshwater ecosystems is _______. a. temperature b. presence of corals c. presence of fish d. dissolved salt

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JoshEast
JoshEast JoshEast
  • 15-06-2016
The answer would be dissolved salt.  Its the presence of saltwater in marine and the absence of it in freshwater that makes the big difference.
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Аноним Аноним
  • 15-06-2016
d.
hope this helps!!!

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