Across
1
Region surrounding the North Pole
5
Height above sea level
6
Ridge of rock or coral near the surface
8
Deep narrow valley with steep sides
10
Line dividing two countries
11
Largest hot desert in the world
Down
2
Tool for finding directions
3
City that is seat of government
4
Wearing away of land by water or wind
7
Where river meets the sea
9
Physical features of land