Across
1
Area where water covers the soil
5
City that is seat of government
6
Largest hot desert in the world
7
Wearing away of land by water or wind
8
Large area covered with trees
Down
2
Distance east or west of prime meridian
3
Largest ocean on Earth
4
Cold treeless Arctic plain
9
Height above sea level
10
Landform where river meets the sea
11
Ridge of rock or coral near the surface