Across
1
Wearing away of land by water or wind
6
City that is seat of government
7
Land surrounded by water on three sides
8
Distance east or west of prime meridian
9
Raised area of land, smaller than a mountain
10
Height above sea level
11
Narrow sea inlet between cliffs
12
Ocean between Americas and Europe/Africa
Down
2
Low area between mountains
3
One of seven major landmasses
4
Total number of people in an area
5
Flat grassland in tropical regions