Across
1
Cold treeless Arctic plain
5
Seasonal heavy rainfall
9
Goods brought in from another country
10
Low area between mountains
12
Largest hot desert in the world
13
Wearing away of land by water or wind
Down
2
Flat elevated area of land
3
Half of the Earth
4
Large natural elevation of earth
6
Ocean between Americas and Europe/Africa
7
Land surrounded by water on three sides
8
Vast body of salt water
11
Large area covered with trees