Across
1
Narrow sea inlet between cliffs
4
Goods sold to another country
5
Low-lying land surrounded by higher ground
6
Total number of people in an area
9
One of seven major landmasses
11
Ridge of rock or coral near the surface
Down
2
Large body of water partly enclosed by land
3
Chain or group of islands
7
Large natural elevation of earth
8
Flat grassland in tropical regions
10
Cold treeless Arctic plain