Across
1
Region surrounding the North Pole
5
Line dividing two countries
6
Landform where river meets the sea
7
Land surrounded by water
11
Low area between mountains
12
Raised area of land, smaller than a mountain
Down
2
Distance north or south of equator
3
Cold treeless Arctic plain
4
Tool for finding directions
8
Ridge of rock or coral near the surface
9
Wearing away of land by water or wind
10
Large slow-moving mass of ice