Across
1
Region between the two tropic lines
3
Goods sold to another country
4
Large natural elevation of earth
5
Land surrounded by water on three sides
Down
2
Largest hot desert in the world
3
Wearing away of land by water or wind
6
Imaginary line around the middle of Earth
7
Line dividing two countries
8
Low-lying land surrounded by higher ground
9
Flat elevated area of land