Across
1
Steep rock face at edge of land
2
Low area between mountains
4
Low-lying land surrounded by higher ground
7
Large natural elevation of earth
8
Distance east or west of prime meridian
10
Flat grassland in tropical regions
Down
1
One of seven major landmasses
3
Large body of water partly enclosed by land
5
Deep narrow valley with steep sides
6
Large area covered with trees
9
Visual representation of an area
11
Largest hot desert in the world