Across
1
Region surrounding the North Pole
4
Wearing away of land by water or wind
6
Piece of land jutting into the sea
8
Seasonal heavy rainfall
9
Largest river in South America
Down
2
Distance north or south of equator
3
Total number of people in an area
5
Ocean between Americas and Europe/Africa
7
Ridge of rock or coral near the surface
10
Largest hot desert in the world
11
Vast body of salt water
12
Low-lying land surrounded by higher ground