Across
1
Ridge of rock or coral near the surface
4
Low-lying land surrounded by higher ground
5
Region surrounding the North Pole
6
Chain or group of islands
11
One of seven major landmasses
Down
2
Flat elevated area of land
3
Narrow sea inlet between cliffs
7
Goods brought in from another country
8
Imaginary line around the middle of Earth
9
Wearing away of land by water or wind
10
Vast body of salt water
12
Largest hot desert in the world
13
Long-term weather patterns of an area