Across
1
Total number of people in an area
6
One of seven major landmasses
7
Region between the two tropic lines
8
Vast body of salt water
9
Long-term weather patterns of an area
Down
2
Low-lying land surrounded by higher ground
3
Large body of water partly enclosed by land
4
Wearing away of land by water or wind
5
Mountain that can erupt with lava
10
Large area covered with trees
11
Height above sea level
12
Largest hot desert in the world