Across
1
Low-lying land surrounded by higher ground
4
Total number of people in an area
5
Piece of land jutting into the sea
6
Distance north or south of equator
8
Large area covered with trees
10
Area where water covers the soil
12
Ridge of rock or coral near the surface
Down
2
Body of water surrounded by land
3
Half of the Earth
7
Deep narrow valley with steep sides
9
Long-term weather patterns of an area
11
Large natural stream of water
13
Visual representation of an area