Across
1
Steep rock face at edge of land
2
Cold treeless Arctic plain
4
Total number of people in an area
6
Largest hot desert in the world
8
Wearing away of land by water or wind
13
Vast body of salt water
Down
1
Tool for finding directions
3
Raised area of land, smaller than a mountain
5
City that is seat of government
7
Flat grassland in tropical regions
9
Narrow sea inlet between cliffs
10
Long-term weather patterns of an area
11
Goods brought in from another country
12
Physical features of land