Across
1
Flat grassland in tropical regions
4
Region near the equator
6
Cold treeless Arctic plain
7
Body of water surrounded by land
11
Height above sea level
Down
2
Large area covered with trees
3
City that is seat of government
5
Land surrounded by water
8
Low-lying land surrounded by higher ground
9
Wearing away of land by water or wind
10
Chain or group of islands