Across
1
Area where water covers the soil
4
Large natural stream of water
6
Ridge of rock or coral near the surface
7
Largest river in South America
8
Wearing away of land by water or wind
9
Land surrounded by water on three sides
12
Large body of water partly enclosed by land
Down
2
Distance east or west of prime meridian
3
Dry land with little rainfall
5
Region surrounding the North Pole
10
Physical features of land
11
Large natural elevation of earth