Across
1
Cold treeless Arctic plain
4
Large area covered with trees
7
Low-lying land surrounded by higher ground
8
Region between the two tropic lines
9
Tool for finding directions
11
Piece of land jutting into the sea
Down
2
Largest hot desert in the world
3
Distance north or south of equator
5
Land surrounded by water on three sides
6
Seasonal heavy rainfall
10
Large natural stream of water