Across
1
Total number of people in an area
5
Ridge of rock or coral near the surface
8
Raised area of land, smaller than a mountain
9
Height above sea level
10
Where river meets the sea
12
Distance east or west of prime meridian
Down
2
Large body of water partly enclosed by land
3
Wearing away of land by water or wind
4
Narrow sea inlet between cliffs
6
City that is seat of government
7
Distance north or south of equator
11
Land surrounded by water on three sides
13
Ocean between Americas and Europe/Africa