Across
1
Largest hot desert in the world
5
Raised area of land, smaller than a mountain
6
Low area between mountains
7
Wearing away of land by water or wind
8
Long-term weather patterns of an area
10
Distance east or west of prime meridian
Down
2
Land surrounded by water on three sides
3
Area where water covers the soil
4
Landform where river meets the sea
8
One of seven major landmasses
9
Large natural elevation of earth
11
Line dividing two countries