Across
1
Large natural stream of water
3
Visual representation of an area
5
Deep narrow valley with steep sides
6
Landform where river meets the sea
9
Large area covered with trees
10
Large body of water partly enclosed by land
12
Low-lying land surrounded by higher ground
Down
2
Area where water covers the soil
4
Large natural elevation of earth
7
Low area between mountains
8
Large slow-moving mass of ice
11
Flat grassland in tropical regions