Across
1
Wearing away of land by water or wind
5
Vast body of salt water
6
Where river meets the sea
10
Large area covered with trees
11
Largest ocean on Earth
Down
2
Ridge of rock or coral near the surface
3
Line dividing two countries
4
Goods sold to another country
7
Region surrounding the North Pole
8
Largest hot desert in the world
9
Land surrounded by water on three sides