Across
1
Imaginary line around the middle of Earth
4
Visual representation of an area
5
Area where water covers the soil
8
Dry land with little rainfall
10
Long-term weather patterns of an area
11
Large area covered with trees
12
Region near the equator
Down
2
Low-lying land surrounded by higher ground
3
Land surrounded by water on three sides
6
Distance east or west of prime meridian
7
Half of the Earth
9
Narrow sea inlet between cliffs
13
Largest river in South America