Across
1
Land surrounded by water on three sides
3
Where river meets the sea
6
Narrow sea inlet between cliffs
7
Goods sold to another country
8
Flat grassland in tropical regions
Down
2
Region between the two tropic lines
3
Imaginary line around the middle of Earth
4
One of seven major landmasses
5
Area where water covers the soil
9
Line dividing two countries
10
Deep narrow valley with steep sides
11
Large slow-moving mass of ice