Across
1
Large slow-moving mass of ice
5
Low-lying land surrounded by higher ground
6
Deep narrow valley with steep sides
7
Large natural elevation of earth
10
Large area covered with trees
Down
2
Body of water surrounded by land
3
Land surrounded by water
4
Largest hot desert in the world
8
Total number of people in an area
9
Area where water covers the soil
11
Tool for finding directions