Across
1
Largest hot desert in the world
4
Low area between mountains
5
Ridge of rock or coral near the surface
7
Region surrounding the North Pole
8
Region near the equator
10
Dry land with little rainfall
11
Total number of people in an area
Down
2
Large slow-moving mass of ice
3
Goods sold to another country
6
Height above sea level
9
Flat grassland in tropical regions
12
Wearing away of land by water or wind
13
Mountain that can erupt with lava
14
Body of water surrounded by land
15
Low-lying land surrounded by higher ground