Across
1
Half of the Earth
5
Distance east or west of prime meridian
7
Wearing away of land by water or wind
8
Deep narrow valley with steep sides
9
City that is seat of government
Down
2
Vast body of salt water
3
Cold treeless Arctic plain
4
Tool for finding directions
6
Largest hot desert in the world
10
Land surrounded by water
11
Seasonal heavy rainfall
12
Large natural stream of water