Across
1
Area where water covers the soil
5
Total number of people in an area
6
Ridge of rock or coral near the surface
8
Land surrounded by water
12
Half of the Earth
Down
2
Vast body of salt water
3
Land surrounded by water on three sides
4
Wearing away of land by water or wind
7
Dry land with little rainfall
9
Large natural stream of water
10
Imaginary line around the middle of Earth
11
Large body of water partly enclosed by land