| A | B |
| renewable | will replenish |
| nonrenewable | something else will need to replace it once it is gone |
| mechanization | using machines to make the work easier and more pordcutive |
| union | a group with a similar beliefs or purpose |
| oasis | green area in a desert |
| comparative advantage | exporting what you can make a profit on |
| infrastructure | raods and communication lines |
| GIS | software program used to manipulate data |
| hilltop | a city on the top of a hill |
| coral | The Great Barrier Reef contains this. |
| erosion | the gradual wearing away |
| landlocked | not touching a sea or ocean |
| volcanic | one type of Pacific islands |