Question

A coastal inlet or bay in which freshwater from rivers mixes with salty ocean water is called a(n)

a. transition zone.
b. abyssal plain.
c. estuary.
d. hydrothermal vent.

Answer 1

A coastal inlet or bay in which freshwater from rivers mixes with salty ocean water is called a(n) ESTUARY.

Answer 2

c. estuary

Step-by-step explanation:

An estuary is an area along the coast where a river joins the sea. The estuaries are partially closed, having a free connection to the open sea, this connection may be permanent or periodic. In the estuaries, seawater is diluted by freshwater, forming a brackish environment.