Across
1
Raised area of land, smaller than a mountain
3
Large natural stream of water
4
Goods sold to another country
8
Deep narrow valley with steep sides
9
Mountain that can erupt with lava
10
Largest hot desert in the world
11
Vast body of salt water
Down
2
Low area between mountains
5
Seasonal heavy rainfall
6
Region between the two tropic lines
7
Narrow sea inlet between cliffs
12
Chain or group of islands
13
Visual representation of an area