Across
1
Land surrounded by water on three sides
3
Narrow sea inlet between cliffs
7
Ridge of rock or coral near the surface
8
Area where water covers the soil
10
Flat grassland in tropical regions
11
Distance north or south of equator
Down
2
Goods brought in from another country
3
Large area covered with trees
4
Largest river in South America
5
Deep narrow valley with steep sides
6
Mountain that can erupt with lava
9
Dry land with little rainfall