1.1 coast – B. Where the land and sea meet1.2 cape – A. A piece of high land that extends into the sea1.3 valley – D. Low area between hills and mountains1.4 tributary – E. A stream or small river that flows into a larger river1.5 mountain peak – C. The highest point on a mountain1.6 bay – G. A dent in the coastline where the land curves inward