Across
1
Flat grassland in tropical regions
3
Ridge of rock or coral near the surface
4
Narrow sea inlet between cliffs
5
Large natural elevation of earth
7
Land surrounded by water
Down
1
Largest hot desert in the world
2
Wearing away of land by water or wind
6
Distance north or south of equator
8
Area where water covers the soil
9
Chain or group of islands