| A | B |
|---|
| hydrologic cycle | continuous cycling of water between atmospher, oceans, and the earth |
| drainage basin | area drained by a major river and its tributaries |
| ground water | water held in the pores of rocks below the soil |
| water table | the level at which rock is saturated by ground water |
| landforms | naturally formed features on the earth's surface |
| continental shelf | earth's surface from the edge of a continent to the deep water of the ocean |
| relief | difference in elevation of a landform from its lowest to its highest point |
| topography | the shape of landforms in a region |
