Across
1
City that is seat of government
4
Physical features of land
5
Low-lying land surrounded by higher ground
7
Deep narrow valley with steep sides
11
Height above sea level
Down
1
Piece of land jutting into the sea
2
Land surrounded by water on three sides
3
Where river meets the sea
6
Raised area of land, smaller than a mountain
8
Large slow-moving mass of ice
9
Low area between mountains
10
Largest ocean on Earth