Down folded layers of chalk or limestone sandwiched between impermeable rock layers and containing trapped water is referred to as? by Sunday | Jun 14 | Geography WAEC | 0 comments A. river basin B. oasis C. artesian D. watershed Correct Answer: Option C – artesian Users Also Read These:If 200 layers require 25 kg of layer mash per day;…The diagram above illustrates trapped air in a…Layers ration contains more limestone than growers…A piece of metal is heated until it becomes red-hot,…Chalk is a good example of?