Across
1
Mountain that can erupt with lava
5
Region between the two tropic lines
7
Piece of land jutting into the sea
9
Cold treeless Arctic plain
10
Flat grassland in tropical regions
Down
2
Tool for finding directions
3
Flat elevated area of land
4
Goods sold to another country
6
Land surrounded by water
8
Region surrounding the North Pole
11
Total number of people in an area