The Sahel is a transition zone bordering the Sahara.
English Channel
The Tibesti Mountains, Sahel Desert, Sahara Desert, Lake Chad, and the Chari (Shari) river
a geographic feature that prevents or slows transportation
The Beringia Land Bridge
Land
natural harbors.
Desert, Sahel, Rainforests, and savannah.
The geographic term for the land bordering the sea is coastline.
which geographic feature contributed to beginning of farmers community's
A "cliff".
A peninsula.
Sea level on the Atlantic coastline.
The Sahel desert
the Niger and Senegal rivers
Isthmus
water
The geographic feature is Natural Harbors :)