Across
1
Large natural stream of water
5
Steep rock face at edge of land
6
Goods brought in from another country
7
Region between the two tropic lines
8
Wearing away of land by water or wind
9
Line dividing two countries
11
Cold treeless Arctic plain
Down
2
Region surrounding the North Pole
3
Goods sold to another country
4
Large slow-moving mass of ice
10
Total number of people in an area
12
Where river meets the sea
13
Landform where river meets the sea