Across
1
Low-lying land surrounded by higher ground
3
Tool for finding directions
5
Ridge of rock or coral near the surface
9
Goods sold to another country
10
Dry land with little rainfall
11
Land surrounded by water
12
Visual representation of an area
Down
2
Large natural elevation of earth
4
Half of the Earth
6
Largest ocean on Earth
7
Large body of water partly enclosed by land
8
Largest hot desert in the world