As a granular material, sand is made up of discrete, tiny particles that, as a whole, demonstrate the characteristics of either a solid or a liquid depending how the grains interact with each other. on top of that, it exhibits properties that are unique to itself, adding another layer of complexity to its behavior.

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?