Across
1
Total number of people in an area
6
Steep rock face at edge of land
8
Physical features of land
9
Mountain that can erupt with lava
10
Chain or group of islands
11
Goods sold to another country
12
Largest river in South America
Down
2
Large slow-moving mass of ice
3
Land surrounded by water
4
Vast body of salt water
5
Distance east or west of prime meridian
7
One of seven major landmasses