Across
1
Body of water surrounded by land
3
Deep narrow valley with steep sides
4
Flat elevated area of land
5
City that is seat of government
6
Land surrounded by water on three sides
10
Large slow-moving mass of ice
11
Large area covered with trees
Down
1
Distance north or south of equator
2
Line dividing two countries
7
Largest river in South America
8
Land surrounded by water
9
Flat grassland in tropical regions