The Outflow of the Mississippi River is at St. Louis.
The Gulf of Mexico
The Mississippi Delta, especially the outflow into the Gulf of Mexico.
Nile River
popo
out flow means that where the water goes example :"the outflow of the river Nile is the Mediterranean sea.
The Gulf of Guinea.
Atlantic Ocean.
The Mississippi River
After looking for quite a long time, it seems the Niger River outflow is the Gulf of Guinea. Hope this helped!(:
The Athabasca River flows into Lake Athabasca. From there, it is on to the MacKenzie River.
I think it is the Mississippi River but not for sure