Across
1
Low area between mountains
4
Land surrounded by water on three sides
5
Dry land with little rainfall
6
Tool for finding directions
7
Line dividing two countries
9
Cold treeless Arctic plain
Down
1
Mountain that can erupt with lava
2
Landform where river meets the sea
3
Chain or group of islands
8
Deep narrow valley with steep sides
10
Area where water covers the soil