Across
1
Cold treeless Arctic plain
4
Flat elevated area of land
5
Steep rock face at edge of land
6
Distance north or south of equator
9
Largest river in South America
12
Ridge of rock or coral near the surface
Down
1
Region between the two tropic lines
2
Low area between mountains
3
Flat grassland in tropical regions
7
Region surrounding the North Pole
8
Physical features of land
9
Height above sea level
10
Goods brought in from another country
11
Vast body of salt water