Across
1
Cold treeless Arctic plain
5
Body of water surrounded by land
6
Area where water covers the soil
10
Total number of people in an area
11
Steep rock face at edge of land
12
Dry land with little rainfall
Down
2
Large natural elevation of earth
3
Low-lying land surrounded by higher ground
4
Large slow-moving mass of ice
7
Imaginary line around the middle of Earth
8
Region surrounding the North Pole
9
Region between the two tropic lines
13
Distance east or west of prime meridian
14
Raised area of land, smaller than a mountain