Across
1
Total number of people in an area
5
Body of water surrounded by land
7
Piece of land jutting into the sea
9
Wearing away of land by water or wind
11
Largest ocean on Earth
Down
2
Goods sold to another country
3
Land surrounded by water
4
Flat elevated area of land
6
Large slow-moving mass of ice
8
Largest river in South America
10
Where river meets the sea
12
Seasonal heavy rainfall