Across
1
Vast body of salt water
4
Goods sold to another country
5
Wearing away of land by water or wind
9
Body of water surrounded by land
10
Steep rock face at edge of land
12
Largest river in South America
Down
2
Visual representation of an area
3
Long-term weather patterns of an area
6
Flat grassland in tropical regions
7
Flat elevated area of land
8
Raised area of land, smaller than a mountain
11
Line dividing two countries