Across
1
Region near the equator
1
Region between the two tropic lines
4
Line dividing two countries
5
Low area between mountains
6
Flat grassland in tropical regions
7
One of seven major landmasses
12
Large natural stream of water
Down
2
Dry land with little rainfall
3
Vast body of salt water
7
Piece of land jutting into the sea
8
Seasonal heavy rainfall
9
Largest ocean on Earth
10
Largest river in South America
11
Large slow-moving mass of ice