Across
1
Flat grassland in tropical regions
3
Goods sold to another country
7
Large slow-moving mass of ice
8
City that is seat of government
10
Dry land with little rainfall
Down
2
Low area between mountains
3
Wearing away of land by water or wind
4
Area where water covers the soil
5
Largest river in South America
6
Region surrounding the North Pole
9
Large natural stream of water