Across
1
Largest hot desert in the world
4
Imaginary line around the middle of Earth
5
Flat elevated area of land
10
Steep rock face at edge of land
11
Large slow-moving mass of ice
Down
2
Land surrounded by water
3
Large natural stream of water
6
City that is seat of government
7
Largest river in South America
8
Region surrounding the North Pole
9
Total number of people in an area