Answer;
B. The amount of salt water in a marsh depends upon ocean tides.
Explanation;
-The salinity in salt marshes can vary throughout the day because the amount of salt water in a marsh depends upon ocean tides. Salt marshes are found on low energy coastlines.
-Salt marshes are coastal wetlands that are flooded and drained by salt water brought in by the tides. They are marshy because the soil may be composed of deep mud and peat.
