The sharp pillars hanging from the roof of a cavern in limestone regions are called by Sunday | Jan 28 | Geography WAEC | 0 comments A. dolines B. stalagmites C. uvalas D. Stalactites Correct Answer: Option D – Stalactites Users Also Read These:A metre rule is pivoted at its mid-point with a…Layers ration contains more limestone than growers…The sharp increase in the prices of most goods and…Light traveling through a small pinhole usually does…Which of the following is a feature of limestone regions?