Explanation
Option (b) is correct:
Atlas Mountain: The Maghreb, often referred to as Northwest Africa, the Greater Maghreb, and historically as the Barbary Coast, is where the Atlas Mountains is situated. The Atlas Mountains divide the Sahara Desert from the Mediterranean and Atlantic coasts. The highest point of this mountain range, Toubkal (4167 m), is found in Morocco. The mountains are found in Algeria and Tunisia in addition to Morocco. The Atlas Mountains are home to populations of Berber people.
Option (a), (c) and (d) are incorrect:
Abyssinian Plateau: The Ethiopian Plateau is also referred to as Altipiano Etiopico, Amhara Plateau, Ethiopian Massif, and Ethiopian Plateau. The Abyssinian Plateau was formerly known as Ethiopia, hence the name. The Blue Nile, which emerges from Lake Tana, is the most notable river to cross the plateau. Okavango Basin: The Okavango Basin is situated in southwest Africa comprising Botswana, Namibia, Zimbabwe, Angola, and other countries. Whilst, Patagonia refers to a geographical region that encompasses the southern end of South America, governed by Argentina and Chile. Guiana Highlands: In South America, the Guiana Highlands are situated in the south of the Orinoco River and north of the Amazon River. Parts of Venezuela, the Guianas, Brazil, and Colombia are included in the Guiana Highlands. Mount Roraima, located in the Guiana Highlands, has the highest elevation (2772 m).