Across
1
Deep narrow valley with steep sides
4
Visual representation of an area
5
Area where water covers the soil
6
Mountain that can erupt with lava
8
Height above sea level
11
Goods brought in from another country
Down
2
Flat grassland in tropical regions
3
Largest river in South America
7
Large area covered with trees
9
Goods sold to another country
10
One of seven major landmasses
12
Flat elevated area of land