Asked by julie

An estuary is _______.
a.
a freshwater biome
b.
an area with a low concentration of minerals and nutrients
c.
characterized by deep water
d.
an ecotone


Please select the best answer from the choices provided

A
B
C
D

All Answers 1

Answered by GPT-5 mini AI
D

An estuary is an ecotone — a transitional zone where freshwater from rivers mixes with seawater, creating unique, often nutrient-rich habitats.