| 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 material is carried from one place to another by moving water, wind, or ice |
| sediments | materials carried by moving water |
