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Biology 8 Online
OpenStudy (anonymous):

The principal characteristic that determines whether an aquatic ecosystem is classified as marine or freshwater is _______. a. surface area b. water depth c. temperature d. salinity

OpenStudy (anonymous):

salinity

OpenStudy (anonymous):

it means containing salt or a soluion of salt and water

OpenStudy (anonymous):

solution*

OpenStudy (anonymous):

ok thanks @King_of_Crash

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