Across
1
Total number of people in an area
4
Body of water surrounded by land
6
Ridge of rock or coral near the surface
8
Large natural elevation of earth
9
Region between the two tropic lines
10
Long-term weather patterns of an area
11
Largest river in South America
Down
2
Region near the equator
3
Largest hot desert in the world
5
Land surrounded by water on three sides
7
Seasonal heavy rainfall