Across
1
Land surrounded by water
4
Flat grassland in tropical regions
6
Where river meets the sea
7
Long-term weather patterns of an area
8
Seasonal heavy rainfall
12
Land surrounded by water on three sides
Down
2
Mountain that can erupt with lava
3
Vast body of salt water
5
Low area between mountains
9
City that is seat of government
10
Distance north or south of equator
11
Largest hot desert in the world