Across
1
Body of water surrounded by land
4
Wearing away of land by water or wind
5
Area where water covers the soil
7
City that is seat of government
8
Land surrounded by water on three sides
9
Deep narrow valley with steep sides
11
Large slow-moving mass of ice
Down
2
Dry land with little rainfall
3
Large body of water partly enclosed by land
6
Total number of people in an area
10
Distance north or south of equator
12
Largest river in South America