Across
1
Largest hot desert in the world
5
Large area covered with trees
6
Low-lying land surrounded by higher ground
7
Seasonal heavy rainfall
8
Physical features of land
9
Distance north or south of equator
11
Steep rock face at edge of land
13
Area where water covers the soil
Down
2
Total number of people in an area
3
Ridge of rock or coral near the surface
4
Land surrounded by water on three sides
10
Wearing away of land by water or wind
12
Chain or group of islands
