Concept:A plateau is a raised area of fairly flat land. A scarp (escarpment) is the steep slope at the edge of a plateau.Solution:The Kwahu Plateau in the Eastern Region ends in steep slopes on its edges; this is the Kwahu Scarp.So the Kwahu scarp is an example of a plateau with steep slopes.The Akwapim ranges and Afadzato mountains are fold mountains (part of the Akwapim-Togo ranges), not a plateau.The Osudoko hills are isolated hills (inselbergs) on the Accra Plains.Answer:Option C (Kwahu scarp)