Across
1
Raised area of land, smaller than a mountain
4
One of seven major landmasses
5
Area where water covers the soil
6
Cold treeless Arctic plain
10
Ridge of rock or coral near the surface
Down
2
Land surrounded by water
3
Large slow-moving mass of ice
7
Large natural elevation of earth
8
Distance north or south of equator
9
Line dividing two countries
11
Flat elevated area of land
12
Distance east or west of prime meridian