Across
1
Height above sea level
5
Largest hot desert in the world
7
Flat elevated area of land
8
Large area covered with trees
9
Large natural stream of water
11
One of seven major landmasses
Down
2
Goods sold to another country
3
Large natural elevation of earth
4
Wearing away of land by water or wind
6
Region surrounding the North Pole
10
Long-term weather patterns of an area
12
Region between the two tropic lines