Across
1
Large area covered with trees
4
Vast body of salt water
5
Physical features of land
7
Tool for finding directions
8
Large natural stream of water
9
Deep narrow valley with steep sides
Down
2
Wearing away of land by water or wind
3
Line dividing two countries
6
Region surrounding the North Pole
10
Ridge of rock or coral near the surface
11
Largest hot desert in the world
12
Area where water covers the soil