What Is the Difference Between an Estuary and a Salt

Multiple Choice

What is the difference between an estuary and a salt marsh?

A) Salt marshes are found far from the ocean, while estuaries border the ocean.
B) Salt marshes are not affected by tides, while estuaries are.
C) Salt marshes are dominated by grasses, while estuaries are defined by tidal influence.
D) Salt marshes border the ocean, while estuaries exist in river environments.
E) Salt marshes are affected by tides, while estuaries are not.