A triangle landform where a river empties into another body of water.

The buildup of land by the settlement of sediment and soil in a new location.

A feature on the surface of Earth such as a mountain, hill, dune, ocean, or river.

Hill formed by wind blowing and depositing sand.

A low area between higher areas of elevation.

The removal and movement of sediment from one place to another by gravity, water, wind, or ice.

The breakdown of rocks into very small particles by grativy, water, wind, and ice.

Wind, water, or ice moving sediments across the land.

Wind, water, or ice breaking apart sediments.