Across
1
Region surrounding the North Pole
4
Flat grassland in tropical regions
6
Cold treeless Arctic plain
7
Body of water surrounded by land
8
Ocean between Americas and Europe/Africa
Down
2
Wearing away of land by water or wind
3
Raised area of land, smaller than a mountain
5
Dry land with little rainfall
9
Land surrounded by water on three sides
10
Landform where river meets the sea