Across
1
Physical features of land
5
Raised area of land, smaller than a mountain
7
Steep rock face at edge of land
9
Large natural elevation of earth
10
Chain or group of islands
11
Low area between mountains
12
Large natural stream of water
Down
2
Total number of people in an area
3
Cold treeless Arctic plain
4
Largest ocean on Earth
6
Low-lying land surrounded by higher ground
8
Narrow sea inlet between cliffs