Across
1
Piece of land jutting into the sea
3
Ocean between Americas and Europe/Africa
4
Land surrounded by water
5
Where river meets the sea
6
Steep rock face at edge of land
8
Wearing away of land by water or wind
10
Largest river in South America
Down
2
Cold treeless Arctic plain
3
Chain or group of islands
7
Area where water covers the soil
9
Narrow sea inlet between cliffs
11
Low-lying land surrounded by higher ground