Across
1
Steep rock face at edge of land
3
Low-lying land surrounded by higher ground
4
Wearing away of land by water or wind
8
Large natural stream of water
9
Seasonal heavy rainfall
10
Large natural elevation of earth
11
Long-term weather patterns of an area
13
City that is seat of government
Down
2
Area where water covers the soil
5
Narrow sea inlet between cliffs
6
Chain or group of islands
7
Largest river in South America
12
Land surrounded by water on three sides