What is an estuary


An ecological community together with its environment, functioning as a unit

The widening channel of a river where it meets the sea, mixing fresh water and salt water

The region draining into a river, river system, or other body of water

A lowland area that is saturated with moisture that supports a natural habitat of wildlife

Answer :

olivia295

Answer:

The widening channel of a river where it meets the sea, mixing fresh water and salt water

The letter B will be correct

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