Across
1
Deep narrow valley with steep sides
4
Large slow-moving mass of ice
5
Landform where river meets the sea
7
Dry land with little rainfall
8
Large natural stream of water
9
Goods sold to another country
10
Land surrounded by water
11
Land surrounded by water on three sides
13
Distance north or south of equator
Down
2
Wearing away of land by water or wind
3
Chain or group of islands
6
Area where water covers the soil
12
Region between the two tropic lines