Across
1
Wearing away of land by water or wind
5
Chain or group of islands
11
Ridge of rock or coral near the surface
12
Line dividing two countries
13
Flat elevated area of land
Down
2
Raised area of land, smaller than a mountain
3
Vast body of salt water
4
Large natural elevation of earth
6
Total number of people in an area
7
Height above sea level
8
Large slow-moving mass of ice
9
Tool for finding directions
10
Goods brought in from another country