5 A limestone column that hangs down from the ceiling of an underground cave is A artesian C stalactite B stalagmite D barchans 6. Which of the following is not an internal force? A earthquake B erosion C volcanic eruption D folding 6. Which one is not associated with wind action? A barchans B sand dune 7. Batholiths are: C lagoon D Loess deposit A Dissected Mountains B. Igneous rock structure C. Plateaus D. Fold mountains 8. Anticlines and synclines are the product of A Tension B. Compression C. Shearing D. A and B 9. Meanders are associated with A Waterfalls B. Flood plains C. Drainage basins D. V-shape valleys