Across
1
Where river meets the sea
5
Flat grassland in tropical regions
6
Area where water covers the soil
8
Total number of people in an area
11
Landform where river meets the sea
12
Land surrounded by water
13
Line dividing two countries
15
Large area covered with trees
Down
2
Dry land with little rainfall
3
Large natural elevation of earth
4
City that is seat of government
7
Steep rock face at edge of land
9
Half of the Earth
10
Wearing away of land by water or wind
14
Large natural stream of water