Across
1
Flat elevated area of land
4
One of seven major landmasses
5
Cold treeless Arctic plain
6
Region surrounding the North Pole
Down
2
Where river meets the sea
3
Low-lying land surrounded by higher ground
5
Region near the equator
7
Wearing away of land by water or wind
8
Goods sold to another country
9
Imaginary line around the middle of Earth