Across
1
Piece of land jutting into the sea
4
Low-lying land surrounded by higher ground
5
Land surrounded by water
6
Total number of people in an area
7
Tool for finding directions
Down
2
Flat grassland in tropical regions
3
Large slow-moving mass of ice
8
Largest river in South America
9
Goods sold to another country
10
Mountain that can erupt with lava