Across
1
Deep narrow valley with steep sides
4
Region near the equator
5
Flat elevated area of land
7
Vast body of salt water
Down
2
Line dividing two countries
3
Large natural elevation of earth
4
Cold treeless Arctic plain
6
Where river meets the sea
8
Goods sold to another country
9
Dry land with little rainfall
10
Largest ocean on Earth
11
Largest hot desert in the world
12
Chain or group of islands