Across
1
Mountain that can erupt with lava
5
Area where water covers the soil
6
Goods sold to another country
7
Wearing away of land by water or wind
10
Physical features of land
11
Goods brought in from another country
Down
2
Total number of people in an area
3
Steep rock face at edge of land
4
Large area covered with trees
8
Deep narrow valley with steep sides
9
Large natural stream of water