Across
1
Region surrounding the North Pole
4
Ridge of rock or coral near the surface
5
Line dividing two countries
6
Deep narrow valley with steep sides
8
Physical features of land
11
Largest ocean on Earth
13
Goods brought in from another country
Down
2
Distance east or west of prime meridian
3
Vast body of salt water
7
Goods sold to another country
9
Tool for finding directions
10
Wearing away of land by water or wind
12
Piece of land jutting into the sea