Across
1
Land surrounded by water on three sides
5
Mountain that can erupt with lava
6
Landform where river meets the sea
8
Piece of land jutting into the sea
9
Half of the Earth
10
Largest river in South America
12
Region near the equator
Down
2
Line dividing two countries
3
Large area covered with trees
4
Large natural stream of water
5
Low area between mountains
7
Height above sea level
11
Seasonal heavy rainfall