Across
1
Total number of people in an area
4
Height above sea level
6
Half of the Earth
7
Region near the equator
9
Piece of land jutting into the sea
11
Vast body of salt water
Down
2
Where river meets the sea
3
Land surrounded by water
4
Chain or group of islands
5
Seasonal heavy rainfall
8
Low area between mountains
10
Large natural stream of water