Across
1
Ridge of rock or coral near the surface
3
Goods brought in from another country
5
Total number of people in an area
6
Half of the Earth
10
Chain or group of islands
12
Large slow-moving mass of ice
Down
2
Vast body of salt water
4
Line dividing two countries
7
Wearing away of land by water or wind
8
Tool for finding directions
9
Large natural elevation of earth
11
Raised area of land, smaller than a mountain