Across
1
Flat grassland in tropical regions
5
Goods sold to another country
7
Line dividing two countries
8
Large natural elevation of earth
11
Steep rock face at edge of land
Down
2
Distance north or south of equator
3
Area where water covers the soil
4
Wearing away of land by water or wind
6
Seasonal heavy rainfall
9
Region surrounding the North Pole
10
Raised area of land, smaller than a mountain