Across
1
Deep narrow valley with steep sides
4
Total number of people in an area
7
Half of the Earth
11
Region near the equator
12
Largest river in South America
Down
2
Imaginary line around the middle of Earth
3
Goods sold to another country
5
Seasonal heavy rainfall
6
Tool for finding directions
8
Land surrounded by water on three sides
9
Large natural stream of water
10
Region surrounding the North Pole