Across
1
Narrow sea inlet between cliffs
3
Where river meets the sea
5
Chain or group of islands
6
Land surrounded by water on three sides
7
Physical features of land
8
Cold treeless Arctic plain
Down
2
Deep narrow valley with steep sides
3
Imaginary line around the middle of Earth
4
Region between the two tropic lines
9
Flat elevated area of land
10
Large natural elevation of earth
11
Large slow-moving mass of ice