What is water called when it is a mixture of both freshwater and seawater?
a. Estuarine water
b. Brackish water
c. Productive water
d. Semidiurnal water
ANS: B
The salinity within the estuary fluctuates with the tides. Areas near the river may exhibit salinities
approaching freshwater while areas near the ocean outlet display salinities closer to the salinity of
water. Information can be found in the section Examples of Marine Communities.
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