Across
1
Height above sea level
4
City that is seat of government
6
Piece of land jutting into the sea
8
Cold treeless Arctic plain
9
Ridge of rock or coral near the surface
11
Low area between mountains
Down
2
Large slow-moving mass of ice
3
Large natural stream of water
5
Area where water covers the soil
7
Total number of people in an area
10
Wearing away of land by water or wind
12
Largest hot desert in the world