Across
1
Goods brought in from another country
3
Low area between mountains
5
Region between the two tropic lines
6
Imaginary line around the middle of Earth
7
Piece of land jutting into the sea
8
Largest river in South America
Down
2
Total number of people in an area
4
Large natural stream of water
9
Vast body of salt water
10
Largest hot desert in the world
11
Deep narrow valley with steep sides
12
Body of water surrounded by land