Across
1
Land surrounded by water on three sides
6
Region near the equator
8
Low area between mountains
9
Vast body of salt water
10
Largest river in South America
11
Raised area of land, smaller than a mountain
Down
2
Low-lying land surrounded by higher ground
3
Chain or group of islands
4
Seasonal heavy rainfall
5
Large slow-moving mass of ice
7
Height above sea level
12
Land surrounded by water