Across
1
Region surrounding the North Pole
5
Large natural stream of water
6
Wearing away of land by water or wind
7
Long-term weather patterns of an area
8
Region between the two tropic lines
9
Largest river in South America
Down
2
Landform where river meets the sea
3
Low-lying land surrounded by higher ground
4
Chain or group of islands
10
Steep rock face at edge of land
11
One of seven major landmasses
12
Land surrounded by water on three sides