| A | B |
|---|
| arctic | relating to or characteristic of the North Pole |
| atmosphere | the air that surrounds the earth |
| balmy | pleasant and mild |
| boggy | swampy |
| boulder | a large rock that is rounded and smooth |
| gorge | a deep narrow canyon or valley |
| molten | melted by heat |
| oasis | a fertile spot in the desert where there is water |
| outcropping | a rock layer that sticks up through the soil |
| resource | available supply that can be used when needed |
| ridge | the crest of a hill or mountain range |
| slate | a blackish-blue rock that is easily split into layers |
| sleet | frozen rain |
| slush | partly melted snow or ice |
| stratified | in layers |
| sulphur | a nonmetallic element often used in gunpowder |
| undertow | an underwater current that moves out to sea |
| unidentified | unknown or mysterious |
| visible | able to be seen |
| volcanic | from or characteristic of a volcano |
