Across
1
City that is seat of government
2
Region surrounding the North Pole
5
Wearing away of land by water or wind
6
Line dividing two countries
9
Area where water covers the soil
11
Imaginary line around the middle of Earth
Down
2
Ocean between Americas and Europe/Africa
3
Distance north or south of equator
4
Cold treeless Arctic plain
7
Half of the Earth
8
Total number of people in an area
10
Mountain that can erupt with lava
12
Goods brought in from another country