Across
1
Total number of people in an area
7
Cold treeless Arctic plain
8
Dry land with little rainfall
9
Deep narrow valley with steep sides
11
Tool for finding directions
Down
2
Large slow-moving mass of ice
3
Goods brought in from another country
4
Low-lying land surrounded by higher ground
5
Mountain that can erupt with lava
6
Region between the two tropic lines
10
Long-term weather patterns of an area