Across
1
Land surrounded by water
2
Region between the two tropic lines
4
Imaginary line around the middle of Earth
5
Flat elevated area of land
6
Dry land with little rainfall
8
Flat grassland in tropical regions
Down
2
Cold treeless Arctic plain
3
Largest hot desert in the world
7
Large area covered with trees
9
Low-lying land surrounded by higher ground
10
Piece of land jutting into the sea
11
Large body of water partly enclosed by land
12
Low area between mountains