Across
1
Steep rock face at edge of land
3
Area where water covers the soil
6
Large slow-moving mass of ice
7
Large natural elevation of earth
8
Line dividing two countries
11
Mountain that can erupt with lava
Down
2
Vast body of salt water
4
Cold treeless Arctic plain
5
Body of water surrounded by land
6
Large body of water partly enclosed by land
9
Dry land with little rainfall
10
Chain or group of islands