Across
1
Region between the two tropic lines
6
Deep narrow valley with steep sides
7
Ridge of rock or coral near the surface
9
Wearing away of land by water or wind
10
Large natural elevation of earth
12
Land surrounded by water
13
Visual representation of an area
Down
2
Dry land with little rainfall
3
One of seven major landmasses
4
Distance north or south of equator
5
Low-lying land surrounded by higher ground
8
Largest ocean on Earth
11
Total number of people in an area