Across
1
Low area between mountains
4
Raised area of land, smaller than a mountain
5
Distance east or west of prime meridian
6
Body of water surrounded by land
8
Land surrounded by water on three sides
13
Large natural elevation of earth
Down
2
Half of the Earth
3
Distance north or south of equator
7
Land surrounded by water
9
One of seven major landmasses
10
Landform where river meets the sea
11
Flat elevated area of land
12
Cold treeless Arctic plain