Across
1
Wearing away of land by water or wind
3
Region surrounding the North Pole
5
Goods sold to another country
6
Flat elevated area of land
8
Largest hot desert in the world
9
Large natural stream of water
Down
1
Where river meets the sea
2
Flat grassland in tropical regions
4
Large slow-moving mass of ice
7
Cold treeless Arctic plain
10
Steep rock face at edge of land
11
Piece of land jutting into the sea