Across
1
Flat grassland in tropical regions
3
Large natural stream of water
7
Wearing away of land by water or wind
8
Large body of water partly enclosed by land
9
Large slow-moving mass of ice
10
Goods sold to another country
11
Land surrounded by water
Down
2
Piece of land jutting into the sea
4
Region between the two tropic lines
5
Mountain that can erupt with lava
6
Region surrounding the North Pole
12
Visual representation of an area