Across
1
Cold treeless Arctic plain
5
Body of water surrounded by land
6
Low-lying land surrounded by higher ground
8
Distance east or west of prime meridian
9
Vast body of salt water
10
Half of the Earth
Down
2
Region surrounding the North Pole
3
Imaginary line around the middle of Earth
4
Large natural elevation of earth
7
Height above sea level
11
City that is seat of government
12
Area where water covers the soil