| A | B |
| aquatic | relating to growing or living in or on water |
| archipelago | group of many small islands |
| brink | the edge on top of a steep place |
| chasm | deep opening or gap in the earth |
| crevice | narrow opening; a fissure |
| dormant | in a state of rest; not in motion |
| ebb | the flow of the tide away from shore |
| emerge | to appear or rise into view |
| fissure | long, deep, narrow split or crack |
| glaze | a thin, slippery coating of ice |
| molten | liquified by heat |
| organic | related to living organisms containing carbon compounds |
| panorama | wide, uninterrupted view of an entire area |
| populate | to live in or occupy |
| porous | full of small holes through which liquids and gases can pass |
| protrude | to jut out |
| proximity | nearness |
| smolder | to burn, and sometimes smoke, without flames |
| terrestrial | concerned with Earth |
| tributary | stream or river that flows into a larger body of water |