Across
1
Wearing away of land by water or wind
5
Narrow sea inlet between cliffs
6
Region near the equator
8
Body of water surrounded by land
9
Ridge of rock or coral near the surface
10
Largest hot desert in the world
12
Dry land with little rainfall
Down
2
Large slow-moving mass of ice
3
Chain or group of islands
4
Large natural stream of water
7
Visual representation of an area
11
Height above sea level