Across
1
Vast body of salt water
4
Where river meets the sea
5
Body of water surrounded by land
8
Large area covered with trees
9
Land surrounded by water on three sides
11
Cold treeless Arctic plain
12
Goods sold to another country
Down
2
Flat elevated area of land
3
Tool for finding directions
6
Ridge of rock or coral near the surface
7
Large slow-moving mass of ice
10
Landform where river meets the sea
11
Region between the two tropic lines