Across
1
Flat elevated area of land
4
Line dividing two countries
7
Goods sold to another country
8
Deep narrow valley with steep sides
9
Ridge of rock or coral near the surface
Down
1
Largest ocean on Earth
2
Ocean between Americas and Europe/Africa
3
Chain or group of islands
5
Dry land with little rainfall
6
Cold treeless Arctic plain
10
Goods brought in from another country
11
Where river meets the sea
12
Low area between mountains