Across
1
Largest hot desert in the world
3
Steep rock face at edge of land
5
Raised area of land, smaller than a mountain
7
Area where water covers the soil
8
Where river meets the sea
11
Total number of people in an area
Down
2
Mountain that can erupt with lava
3
Long-term weather patterns of an area
4
Low area between mountains
6
Large area covered with trees
9
Ridge of rock or coral near the surface
10
Flat grassland in tropical regions
12
Cold treeless Arctic plain
13
Physical features of land