Across
1
Area where water covers the soil
5
Largest river in South America
7
Line dividing two countries
8
Goods sold to another country
11
Piece of land jutting into the sea
12
Largest hot desert in the world
Down
2
Low area between mountains
3
Total number of people in an area
4
Mountain that can erupt with lava
6
Imaginary line around the middle of Earth
9
Visual representation of an area
10
Large area covered with trees
13
Low-lying land surrounded by higher ground