What is the Sahel? an African territory that is of historical importance

a landform found only in Africa, it is a cross between a mountain and a plateau

a climatic event with high winds and heavy rains

a wide area of dry land located along the southern edge of the Sahara

help quick!!!

The Sahel is the ecoclimatic and biogeographic realm of transition in Africa between the Sahara 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

[D] A wide area of dry land located along the southern edge of the Sahara.

Explanarion:

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.