Across
1
Total number of people in an area
4
Steep rock face at edge of land
5
Largest hot desert in the world
6
Large body of water partly enclosed by land
11
Height above sea level
Down
1
Land surrounded by water on three sides
2
Land surrounded by water
3
Where river meets the sea
7
Imaginary line around the middle of Earth
8
Piece of land jutting into the sea
9
Low-lying land surrounded by higher ground
10
Region surrounding the North Pole