Across
1
Region between the two tropic lines
3
Steep rock face at edge of land
4
Flat elevated area of land
5
Region surrounding the North Pole
6
Dry land with little rainfall
10
Low-lying land surrounded by higher ground
11
Large area covered with trees
Down
2
Largest hot desert in the world
3
Long-term weather patterns of an area
7
Large natural stream of water
8
Chain or group of islands
9
Largest ocean on Earth