Across
1
Chain or group of islands
7
Where river meets the sea
8
Ocean between Americas and Europe/Africa
9
Height above sea level
11
Largest hot desert in the world
Down
2
Half of the Earth
3
Total number of people in an area
4
Vast body of salt water
5
Distance north or south of equator
6
Narrow sea inlet between cliffs
10
Raised area of land, smaller than a mountain
12
Low area between mountains