Across
1
Mountain that can erupt with lava
3
Low-lying land surrounded by higher ground
5
Height above sea level
6
Land surrounded by water on three sides
8
Body of water surrounded by land
Down
1
Low area between mountains
2
Cold treeless Arctic plain
4
City that is seat of government
7
Large natural stream of water
9
Largest river in South America
10
Visual representation of an area
11
Region surrounding the North Pole
12
Large area covered with trees