Across
1
Goods brought in from another country
5
Low-lying land surrounded by higher ground
7
Half of the Earth
8
Distance north or south of equator
9
Mountain that can erupt with lava
10
Wearing away of land by water or wind
11
Region surrounding the North Pole
Down
2
Landform where river meets the sea
3
Largest river in South America
4
Goods sold to another country
6
Seasonal heavy rainfall