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i) Describe how limestone pillars are formed in Karst scenery
(ii) Explain three significance of resultant feature in limestone areas to human activities

Answer Text:
i)- Forms when stalactite continues to grow down wards
- Stalagmite grows upwards towards the stalactite
- Eventually the two features meet forming a continuous column called limestone pillar
ii) - Limestone blocks are used for building houses.
- Limestone is a raw material in cement manufacture which is used in building and construction
- Limestone landscape is usually rugged thus discouraging settlement
- Tourist attraction – underground and surface
features are conspicuous hence attract tourists.