Across
1
Land surrounded by water on three sides
6
Largest river in South America
8
Cold treeless Arctic plain
9
Region between the two tropic lines
Down
2
Large natural stream of water
3
Largest ocean on Earth
4
Raised area of land, smaller than a mountain
5
Largest hot desert in the world
7
Narrow sea inlet between cliffs
10
Area where water covers the soil