Across
1
Imaginary line around the middle of Earth
5
Height above sea level
6
Chain or group of islands
8
Vast body of salt water
10
Line dividing two countries
Down
1
Wearing away of land by water or wind
2
Half of the Earth
3
Large area covered with trees
4
Distance north or south of equator
7
Low area between mountains
9
Large body of water partly enclosed by land
11
Narrow sea inlet between cliffs