Across
1
Land surrounded by water
3
Goods sold to another country
7
Height above sea level
9
Large slow-moving mass of ice
11
Large natural stream of water
Down
2
Mountain that can erupt with lava
4
Ridge of rock or coral near the surface
5
Flat grassland in tropical regions
6
Region between the two tropic lines
8
Raised area of land, smaller than a mountain
10
Cold treeless Arctic plain