Across
1
City that is seat of government
5
Land surrounded by water
6
Long-term weather patterns of an area
7
Deep narrow valley with steep sides
11
Large natural stream of water
Down
2
Total number of people in an area
3
Cold treeless Arctic plain
4
Mountain that can erupt with lava
8
Largest hot desert in the world
9
Seasonal heavy rainfall
10
One of seven major landmasses
12
Distance north or south of equator