Across
1
Low area between mountains
3
Ridge of rock or coral near the surface
6
Land surrounded by water
9
Visual representation of an area
11
Deep narrow valley with steep sides
Down
2
Goods sold to another country
4
Large body of water partly enclosed by land
5
Flat grassland in tropical regions
7
Where river meets the sea
8
Half of the Earth
10
Steep rock face at edge of land