Across
1
Flat grassland in tropical regions
5
Wearing away of land by water or wind
6
Half of the Earth
7
Large natural stream of water
12
Ocean between Americas and Europe/Africa
Down
2
Total number of people in an area
3
City that is seat of government
4
Physical features of land
5
Where river meets the sea
8
Chain or group of islands
9
One of seven major landmasses
10
Dry land with little rainfall
11
Line dividing two countries