Definition: areas of the coastline that project farther out into the ocean than the land next to them.

Definition: created by waves undercutting at base of a sea cliff.

Definition: a dry riverbed that fills with water when rare rains fall in a desert.

Definition: an arch formed by wave erosion when caves on opposite sides of a headland unite.

Definition: curve of a river, causing erosion on the outside and deposition on the inside of the river.

Definition: a deep, narrow valley with steep sides.

Definition: The process by which wind, water, ice, or gravity transports soil and sediment from one location to another.

Definition: a physical feature on Earth's surface.

Definition: a formation where weak rocks erode away, leaving oddly shaped resistant rocks. What is this formation called?