"An estuary that is found within the mouth of a river where freshwater flows out to sea at the surface while seawater flows upstream along the bottom is ."

Salt wedge

Explanation:

"An estuary that is found within the mouth of a river where freshwater flows out to sea at the surface while seawater flows upstream along the bottom is a Salt wedge."

Salt-wedge estuaries take place when a rapidly moving river joins the ocean from the point of weak tidal currents. In such kind of salt estuary, the force of a river is responsible for pushing the water out to sea rather than upwards and is also a factor that determines the circular motion

the economic difference between the three colonial regions. shipbuilding, whaling, fishing, and trapping where also main factors to the economy. the southern regional colonies economy was based on sugarcane, rice, cotton, tobacco, and indigo.

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