Across
1
Total number of people in an area
5
Distance north or south of equator
7
Dry land with little rainfall
8
Steep rock face at edge of land
9
Land surrounded by water on three sides
Down
2
Imaginary line around the middle of Earth
3
Landform where river meets the sea
4
Cold treeless Arctic plain
5
Distance east or west of prime meridian
6
Region between the two tropic lines
10
Flat elevated area of land
11
Largest ocean on Earth
12
Long-term weather patterns of an area