| A | B |
|---|
| Accumulate | To increase in amount. |
| Alter | To change. |
| Aquifer | Underground layer of rock through which water flows. |
| Availability | State of being easy or possible to get or use. |
| Climate | Pattern of weather that takes place in an area over many years. |
| Conservation | Careful use of resources to avoid wasting them. |
| Constant | Happening a lot or all the time. |
| Continent | Large landmass that rises above an ocean. |
| Define | To describe or establish. |
| Deforestation | Cutting down of forests without replanting new trees. |
| Distribute | To spread out. |
| Erosion | Process by which weathered bits of rock are moved elsewhere by water, wind, or ice. |
| Evaporation | Part of the water cycle; process by which water changes from liquid to gas. |
| Faults | Cracks in the Earth's crust where two tectonic plates meet; prone to Earthquakes. |
| Occur | To be found in. |
| Smog | Thick haze of smoke and chemicals. |
| Weather | Changes in temperature, wind speed and direction, and air moisture that take place over a short period of time. |
