What is the term used to describe a shallow, partially enclosed area where freshwater enters the ocean? select one: a. coral reef b. abyssal ecosystem c. mangrove swamp d. estuary?

D. Estuary

  - An estuary is a partially enclosed body of water along a coast or beach and open to the ocean or a large lake. Estuaries occur when fresh water from a river mix with the salt water from the ocean creating brackish water. Estuaries are made up of many different types of habitat such as swamps, beaches, mudflats, and tidal pools.

The best way to tell its true color is to look at the minerals streak