<span>An estuary is found at one end of a river delta wherein the freshwater from the river meets the saltwater from the ocean. It forms a transition zone between river environments to maritime environments. </span>I hope my answer has come to your help. God bless and have a nice day ahead!
A long, steep slop, especially one at the edge of a plateau or separating areas of land at different heights.
The production of crops and farm animals for sale, usually with the use of modern technology: commercial farming methods.
Answer:
They have a shared economy.
They allow easy migration
