Across
1
Total number of people in an area
4
Where river meets the sea
7
Large natural stream of water
8
Land surrounded by water on three sides
9
Line dividing two countries
11
Region near the equator
Down
2
Distance north or south of equator
3
Tool for finding directions
4
Wearing away of land by water or wind
5
Seasonal heavy rainfall
6
Height above sea level
10
Large natural elevation of earth
12
Low area between mountains