Across
1
Dry land with little rainfall
5
Wearing away of land by water or wind
7
Flat elevated area of land
8
Largest river in South America
10
Distance east or west of prime meridian
11
Region surrounding the North Pole
12
Long-term weather patterns of an area
Down
2
Flat grassland in tropical regions
3
Goods brought in from another country
4
Narrow sea inlet between cliffs
6
Region near the equator
9
Landform where river meets the sea