Across
1
Large natural elevation of earth
6
Seasonal heavy rainfall
7
Mountain that can erupt with lava
8
Low-lying land surrounded by higher ground
9
Largest hot desert in the world
10
Cold treeless Arctic plain
11
City that is seat of government
Down
2
Where river meets the sea
3
Long-term weather patterns of an area
4
Region near the equator
5
Total number of people in an area
