Across
1
Ridge of rock or coral near the surface
4
Distance north or south of equator
6
Line dividing two countries
7
Land surrounded by water
10
Low area between mountains
11
Region surrounding the North Pole
Down
2
Goods sold to another country
3
Large natural stream of water
4
Body of water surrounded by land
5
Land surrounded by water on three sides
8
Imaginary line around the middle of Earth
9
Area where water covers the soil
11
Largest river in South America