Across
1
Largest river in South America
4
Region surrounding the North Pole
5
Large slow-moving mass of ice
6
Land surrounded by water
8
Wearing away of land by water or wind
12
Steep rock face at edge of land
Down
2
Low area between mountains
3
Long-term weather patterns of an area
7
Physical features of land
9
Dry land with little rainfall
10
Visual representation of an area
11
Large natural elevation of earth