[Solved] Which of the following is true of infants whose mothers breast-feed them? A)They are less likely to be malnourished. B)They are more likely to be obese. C)They are more likely to develop cognitive abnormalities. D)They are less likely to develop strong immune systems. Tight Folds: Rock layers that have been bent very closely together, typically as a result of high pressure, forming narrow and sharp folds. Cleavage: A property of minerals that allows them to break along smooth, flat surfaces, determined by the mineral's crystal structure. Columnar Joints: Natural formations resulting from the cooling and cracking of volcanic rock into nearly hexagonal columns. Finely Crystalline: Describes a rock texture that consists of small, closely-packed crystals not easily visible to the naked eye.