Across
1
City that is seat of government
5
Half of the Earth
6
Flat grassland in tropical regions
7
Deep narrow valley with steep sides
8
Large area covered with trees
9
Largest hot desert in the world
10
Landform where river meets the sea
11
Seasonal heavy rainfall
12
Physical features of land
Down
2
Region near the equator
2
Region between the two tropic lines
3
Mountain that can erupt with lava
4
Land surrounded by water on three sides