Across
1
Imaginary line around the middle of Earth
4
Steep rock face at edge of land
6
Where river meets the sea
7
Deep narrow valley with steep sides
8
Largest hot desert in the world
10
Flat elevated area of land
Down
2
Distance east or west of prime meridian
3
Land surrounded by water on three sides
5
Large area covered with trees
6
Goods sold to another country
9
Landform where river meets the sea
11
Low area between mountains
12
One of seven major landmasses