Across
1
Flat elevated area of land
4
Vast body of salt water
5
Distance east or west of prime meridian
6
Flat grassland in tropical regions
7
Narrow sea inlet between cliffs
Down
2
Line dividing two countries
3
Largest river in South America
7
Large area covered with trees
8
City that is seat of government
9
Wearing away of land by water or wind
10
Region surrounding the North Pole
11
Large natural elevation of earth