Across
1
Land surrounded by water
5
Flat grassland in tropical regions
6
Vast body of salt water
10
Largest hot desert in the world
Down
2
Long-term weather patterns of an area
3
Low area between mountains
4
Mountain that can erupt with lava
7
Chain or group of islands
8
Imaginary line around the middle of Earth
9
Body of water surrounded by land
11
Height above sea level
12
Where river meets the sea