SS Vocabulary words

By: Hunter Chambers


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The Sahel (/səˈhɛl/) is the eco climatic and biogeographic zone of transition in Africa between the Sahara Desert to the north and the Sudanian Savanna to the south. Having a semi-arid climate, it stretches across the south-central latitudes of Northern Africa between the Atlantic Ocean and the Red Sea.

Rift valley

a large elongated depression with steep walls formed by the downward displacement of a block of the earth's surface between nearly parallel faults or fault systems.


a grassy plain in tropical and subtropical regions, with few trees.

sub-Saharan Africa

Sub-Saharan Africa is, geographically, the area of the continent of Africa that lies south of the Sahara desert. Politically, it consists of all African countries that are fully or partially located south of the Sahara(excluding Sudan, even though Sudan sits in the Eastern portion of the Sahara desert).

Rain forests

a luxuriant, dense forest rich in biodiversity, found typically in tropical areas with consistently heavy rainfall.


a fertile spot in a desert where water is found.


an area of low-lying land that is flooded in wet seasons or at high tide, and typically remains waterlogged at all times.

river delta

A river delta is a landform that forms from deposition of sediment carried by a river as the flow leaves its mouth and enters slower-moving or standing water. This occurs where a river enters an ocean, sea, estuary, lake, reservoir, or (more rarely) another river that cannot transport away the supplied sediment.