Across
1
Ridge of rock or coral near the surface
4
Region surrounding the North Pole
5
Distance north or south of equator
9
Flat grassland in tropical regions
11
Narrow sea inlet between cliffs
12
Piece of land jutting into the sea
Down
2
Large body of water partly enclosed by land
3
Half of the Earth
6
Imaginary line around the middle of Earth
7
City that is seat of government
8
Largest ocean on Earth
10
Low area between mountains