Across
1
Total number of people in an area
5
Goods sold to another country
6
Dry land with little rainfall
7
Large area covered with trees
8
Region between the two tropic lines
9
Largest hot desert in the world
Down
1
Largest ocean on Earth
2
Height above sea level
3
Cold treeless Arctic plain
4
Largest river in South America
5
Wearing away of land by water or wind
10
One of seven major landmasses