Across
1
Line dividing two countries
4
Largest river in South America
5
Region between the two tropic lines
6
Area where water covers the soil
8
Largest ocean on Earth
11
City that is seat of government
12
Ridge of rock or coral near the surface
13
Large natural elevation of earth
14
Cold treeless Arctic plain
Down
2
Mountain that can erupt with lava
3
Flat elevated area of land
4
Region surrounding the North Pole
7
Height above sea level
9
Flat grassland in tropical regions
10
Chain or group of islands