Across
1
Mountain that can erupt with lava
4
Distance north or south of equator
7
Large natural elevation of earth
8
Low area between mountains
9
Land surrounded by water
10
Land surrounded by water on three sides
Down
2
Region surrounding the North Pole
3
Wearing away of land by water or wind
5
Largest hot desert in the world
6
Largest river in South America
11
Tool for finding directions
12
Line dividing two countries