Across
1
Largest ocean on Earth
4
Wearing away of land by water or wind
6
Landform where river meets the sea
8
Land surrounded by water on three sides
10
Dry land with little rainfall
11
City that is seat of government
12
Height above sea level
13
Piece of land jutting into the sea
Down
2
Half of the Earth
3
Large body of water partly enclosed by land
5
One of seven major landmasses
7
Ridge of rock or coral near the surface
9
Mountain that can erupt with lava
12
Ocean between Americas and Europe/Africa