Across
1
Visual representation of an area
3
Vast body of salt water
4
Large slow-moving mass of ice
5
Flat elevated area of land
8
Steep rock face at edge of land
9
Area where water covers the soil
10
Largest ocean on Earth
11
Wearing away of land by water or wind
12
Largest river in South America
Down
2
Half of the Earth
6
Region surrounding the North Pole
7
Land surrounded by water
8
Piece of land jutting into the sea
13
Total number of people in an area