Across
1
Deep narrow valley with steep sides
4
Cold treeless Arctic plain
5
Landform where river meets the sea
6
Flat grassland in tropical regions
7
Region surrounding the North Pole
8
Goods sold to another country
9
Ridge of rock or coral near the surface
11
Half of the Earth
Down
1
Tool for finding directions
2
Wearing away of land by water or wind
3
Physical features of land
5
Dry land with little rainfall
10
Line dividing two countries