Option A is incorrect: The Abyssinian plateau is in Ethiopia (in Africa). Option B is correct: The Atlas Mountains are a mountain range in the Maghreb. It stretches around 2,500 km (1,600 mi) through Morocco, Algeria, and Tunisia. The range's highest peak is Toubkal, with an elevation of 4,167 metres (13,671 ft) in southwestern Morocco. It separates the Mediterranean and Atlantic coastlines from the Sahara Desert. Option C is incorrect: Guiana Highland is in South America. Option D is incorrect: Okavango basin/swamp in the Southern part of Africa.