Across
1
Low-lying land surrounded by higher ground
3
Piece of land jutting into the sea
5
Distance east or west of prime meridian
8
Distance north or south of equator
9
Largest hot desert in the world
Down
2
Wearing away of land by water or wind
4
Largest river in South America
6
Vast body of salt water
7
Line dividing two countries
10
Large area covered with trees
11
Large body of water partly enclosed by land
12
Area where water covers the soil