Across
1
Landform where river meets the sea
2
Large body of water partly enclosed by land
4
City that is seat of government
6
Wearing away of land by water or wind
9
Body of water surrounded by land
Down
2
Large slow-moving mass of ice
3
Height above sea level
5
Raised area of land, smaller than a mountain
7
Line dividing two countries
8
Chain or group of islands