| A | B |
| glaciation | a process by which glaciers form and spread |
| fjord | a long, steep-sided glacial valley now filled by seawater |
| contiental | relating to or characteristic of a continent |
| entrepot | commercial center where goods are received and reshipped |
| welfare state | a state that assumes primary responsibility for the social welfare of its citizens |
| invasive species | a non-indigenous or non-native species that threatens ecosystems, habitats or other species |
| ecotourism | the practice and business of recreational travel based on concern for the environment |
| migrate | to move from one place to another |