Across
1
City that is seat of government
5
Imaginary line around the middle of Earth
6
Vast body of salt water
7
One of seven major landmasses
8
Wearing away of land by water or wind
11
Where river meets the sea
Down
2
Low area between mountains
3
Dry land with little rainfall
4
Region surrounding the North Pole
9
Land surrounded by water
10
Piece of land jutting into the sea