Across
1
Largest river in South America
5
Chain or group of islands
7
Land surrounded by water on three sides
10
Region near the equator
11
Physical features of land
12
Dry land with little rainfall
13
Vast body of salt water
Down
2
Piece of land jutting into the sea
3
City that is seat of government
4
Seasonal heavy rainfall
6
Mountain that can erupt with lava
8
Tool for finding directions
9
Height above sea level