Across
1
Vast body of salt water
4
Distance north or south of equator
5
Flat grassland in tropical regions
6
Height above sea level
8
Largest ocean on Earth
12
Tool for finding directions
Down
2
Region surrounding the North Pole
3
Largest river in South America
7
Flat elevated area of land
9
City that is seat of government
10
Line dividing two countries
11
Body of water surrounded by land
13
Cold treeless Arctic plain
14
Long-term weather patterns of an area
15
Low-lying land surrounded by higher ground