sentence: Headlands are made of hard rock and bays are made of soft rock.
sentences_before: A 'headland' is an area of land that is surrounded by water on three sides. Very often, the land areas are called 'cape's. A 'bay' is an area of water. It is surrounded by land on three sides. The water areas are also called 'gulf's.
sentences_after: It takes the hard rock longer to erode.
concept_name: headland
headings: Headlands and bays
categories: Landforms