Across
1
Flat grassland in tropical regions
5
Ridge of rock or coral near the surface
6
Land surrounded by water on three sides
7
Total number of people in an area
9
Distance east or west of prime meridian
10
Flat elevated area of land
11
Where river meets the sea
Down
2
Distance north or south of equator
3
Chain or group of islands
4
Physical features of land
8
Body of water surrounded by land