Across
1
Large area covered with trees
3
Steep rock face at edge of land
5
Low area between mountains
7
Total number of people in an area
8
Long-term weather patterns of an area
9
Region between the two tropic lines
10
Deep narrow valley with steep sides
Down
2
Chain or group of islands
4
Ridge of rock or coral near the surface
6
One of seven major landmasses
11
Region near the equator