Across
1
Cold treeless Arctic plain
4
Wearing away of land by water or wind
5
Land surrounded by water on three sides
11
Large natural elevation of earth
12
Area where water covers the soil
Down
2
Narrow sea inlet between cliffs
3
Ridge of rock or coral near the surface
6
Deep narrow valley with steep sides
7
Distance north or south of equator
8
Total number of people in an area
9
Visual representation of an area
10
Seasonal heavy rainfall