Across
1
Low area between mountains
4
Wearing away of land by water or wind
6
Large slow-moving mass of ice
7
Narrow sea inlet between cliffs
8
Region surrounding the North Pole
10
Where river meets the sea
11
Physical features of land
12
Height above sea level
Down
2
One of seven major landmasses
3
Distance east or west of prime meridian
5
Large natural stream of water
9
Land surrounded by water