Across
1
Half of the Earth
5
Cold treeless Arctic plain
7
Dry land with little rainfall
8
Large natural elevation of earth
12
Ridge of rock or coral near the surface
13
Wearing away of land by water or wind
Down
2
Where river meets the sea
3
Seasonal heavy rainfall
4
Imaginary line around the middle of Earth
6
Vast body of salt water
9
Flat grassland in tropical regions
10
Land surrounded by water
11
Area where water covers the soil