Across
1
Wearing away of land by water or wind
5
Visual representation of an area
7
Goods brought in from another country
8
Goods sold to another country
9
Height above sea level
Down
2
Large natural stream of water
3
Cold treeless Arctic plain
4
Large area covered with trees
5
Seasonal heavy rainfall
6
Total number of people in an area
8
Where river meets the sea