Across
1
Narrow sea inlet between cliffs
3
Wearing away of land by water or wind
5
Region surrounding the North Pole
6
Largest hot desert in the world
9
Land surrounded by water on three sides
11
Area where water covers the soil
Down
2
Largest ocean on Earth
3
Where river meets the sea
4
Deep narrow valley with steep sides
7
Imaginary line around the middle of Earth
8
Long-term weather patterns of an area
9
Flat elevated area of land
10
City that is seat of government