Across
1
Large slow-moving mass of ice
4
Large area covered with trees
6
Land surrounded by water
9
Flat grassland in tropical regions
10
Largest river in South America
Down
2
Region surrounding the North Pole
3
Ridge of rock or coral near the surface
5
Seasonal heavy rainfall
7
Goods sold to another country
8
Flat elevated area of land
11
Largest hot desert in the world