Across
1
Largest ocean on Earth
4
Cold treeless Arctic plain
6
Distance east or west of prime meridian
8
Body of water surrounded by land
10
Low area between mountains
11
Chain or group of islands
Down
2
Large body of water partly enclosed by land
3
Visual representation of an area
5
Vast body of salt water
6
Distance north or south of equator
7
City that is seat of government
9
Large natural stream of water
12
Wearing away of land by water or wind