Across
1
Imaginary line around the middle of Earth
4
Landform where river meets the sea
5
City that is seat of government
6
Region surrounding the North Pole
8
Narrow sea inlet between cliffs
12
Distance north or south of equator
Down
2
Flat grassland in tropical regions
3
Distance east or west of prime meridian
7
Ridge of rock or coral near the surface
9
Goods sold to another country
10
Region between the two tropic lines
11
Largest ocean on Earth