Across
1
Region between the two tropic lines
3
Cold treeless Arctic plain
7
Large slow-moving mass of ice
8
Tool for finding directions
9
Visual representation of an area
10
Goods sold to another country
12
Large area covered with trees
Down
2
Wearing away of land by water or wind
4
Dry land with little rainfall
5
Largest river in South America
6
Largest ocean on Earth
8
Long-term weather patterns of an area
11
Chain or group of islands