| A | B |
|---|
| irrigation | watering of land through pipes or canals |
| industrialization | large-scale manufacturing of goods using machine power |
| hydroelectricity | water produces power |
| hydrologic cycle | circulation of water among the parts of the hydrosphere |
| transpiration | when plants give off water vapor |
| headwaters | first, smallest streams to form from runoff |
| tributary | smaller river flowing into a larger river |
| watershed | area of land drained by a river |
| estuary | where rivers meet the sea |
| lake | depression inland filled with water |
| wetlands | areas inland that flood part of the year |
| groundwater | water found below earth's surface |
| water table | where an underground water source begins |
| continental shelf | shallowest part of the ocean |
| Mariana Trench | deepest point in the Pacific Ocean |
