Across
1
Large natural stream of water
4
Deep narrow valley with steep sides
5
Large body of water partly enclosed by land
7
Ocean between Americas and Europe/Africa
8
Total number of people in an area
9
Largest ocean on Earth
12
Large area covered with trees
Down
2
Narrow sea inlet between cliffs
3
Largest hot desert in the world
6
Distance north or south of equator
10
Wearing away of land by water or wind
11
Region near the equator
11
Region between the two tropic lines