Across
1
Large slow-moving mass of ice
4
Region surrounding the North Pole
6
Goods sold to another country
7
Landform where river meets the sea
10
Distance east or west of prime meridian
Down
2
Largest ocean on Earth
3
Area where water covers the soil
5
Total number of people in an area
8
Land surrounded by water on three sides
9
Where river meets the sea
11
Deep narrow valley with steep sides