| A | B |
|---|
| weathering | The process by which rock is broken into smaller pieces. |
| river system | A river and the waterways that drain into it |
| glacier | a huge mass of slow-moving ice that forms over land. |
| headland | a natural piece of land that extends out into the water. |
| bay | A body of water that is partly enclosed by land but has an opening, called a mouth, connecting the water to the ocean. |
| sand dunes | HIlls of sand formed by the wind. |
| delta | A flat plain of river sediments where the river empties into the ocean. |
| erosion | The process by which broken-down rock materail is carried from one place to another by moving water, wind, or ice. |
| sediments | Materials carried by moving water. |
