Across
1
Distance north or south of equator
3
Region near the equator
5
Visual representation of an area
7
Distance east or west of prime meridian
9
Wearing away of land by water or wind
11
Vast body of salt water
Down
2
Half of the Earth
3
Cold treeless Arctic plain
4
Total number of people in an area
6
Low area between mountains
8
Largest ocean on Earth
10
Flat grassland in tropical regions