Across
1
Distance north or south of equator
4
Mountain that can erupt with lava
5
Flat grassland in tropical regions
8
City that is seat of government
11
Large natural elevation of earth
Down
2
Largest river in South America
3
Largest ocean on Earth
6
Distance east or west of prime meridian
7
Raised area of land, smaller than a mountain
9
Piece of land jutting into the sea
10
Imaginary line around the middle of Earth
12
Land surrounded by water on three sides