Across
1
Large natural stream of water
3
Low-lying land surrounded by higher ground
5
Chain or group of islands
6
Half of the Earth
8
Region between the two tropic lines
Down
2
Largest hot desert in the world
4
Where river meets the sea
7
Wearing away of land by water or wind
9
Distance north or south of equator
10
Land surrounded by water on three sides
11
Goods brought in from another country
12
Cold treeless Arctic plain