Across
1
Land surrounded by water
4
Region near the equator
7
Largest river in South America
8
Tool for finding directions
10
Ridge of rock or coral near the surface
Down
2
Half of the Earth
3
Large natural elevation of earth
5
Deep narrow valley with steep sides
6
City that is seat of government
9
Largest ocean on Earth
11
Total number of people in an area
12
Low-lying land surrounded by higher ground