[Solved] Heat flow from a basement or slab-on-grade foundation is determined by complex interactions between the building, the surrounding soil, insulation materials (if present), and the ____. A) depth of the foundation B) orientation of the structure C) air temperature above grade D) planned usage of the room Microorganism: A microscopic living body not perceivable by the naked eye. Microscopic: Extremely small and detailed, visible only with the aid of a microscope. Living Body: An organism's bodily form that is alive, encompassing all biological functions such as metabolism, growth, and response to stimuli. Aseptic Technique: A set of practices used to prevent contamination from pathogens to protect the patient from infection.