Across
1
Mountain that can erupt with lava
4
Steep rock face at edge of land
6
Where river meets the sea
7
City that is seat of government
9
Large natural elevation of earth
10
Seasonal heavy rainfall
11
Wearing away of land by water or wind
12
Half of the Earth
Down
2
Region near the equator
3
Land surrounded by water
5
Large body of water partly enclosed by land
7
Tool for finding directions
8
Largest hot desert in the world
13
Flat elevated area of land