Across
1
Low-lying land surrounded by higher ground
4
Mountain that can erupt with lava
7
Distance east or west of prime meridian
9
Large area covered with trees
10
Physical features of land
11
Large slow-moving mass of ice
12
Region between the two tropic lines
Down
2
Region surrounding the North Pole
3
Long-term weather patterns of an area
5
Total number of people in an area
6
Land surrounded by water on three sides
8
City that is seat of government