Maslow's Hierarchy of Needs. Definition. Maslow's hierarchy of needs is a theory of motivation and personality developed by the psychologist Abraham H. Maslow (1908â1970). Maslow's hierarchy explains human behavior in terms of basic requirements for survival and growth.
When you use ice to cool the ingredients for ice cream, the energy is absorbed from the ingredients and from the outside environment (like your hands, if you are holding the baggie of ice!).
I ate a scoop of vanilla ice cream and I have had extreme stomach disturbance for hours now. I had lactose intolerance for years, but a few months ago I had pelvic radiation and it pretty much fried my digestive system.