Question

In cold regions in winter the rock crack due to anomalous expansion of water

Answer 1

Answer:

In cold regions in winter, the rocks crack due to anomolous expansion of water. Water has the property of expanding below 4 o C. Thus, in cold regions when the temperature falls below 4 o C, the water content present in rocks expands. Due to this expansion of water or increase in volume of water, the rocks cracks.