Action will reduce the risk of injury on an atv?

Ab+cd-> ad+bc is what kind of reaction

James is sitting at his desk on the ground floor of an office building when the entire room starts shaking. which action is most appropriate in this situation? a. standing near a window b.running out of the building c.holding up a bookshelf d.preparing for aftershocks

Burns are devastating and debilitating because of loss of fluids and electrolytes from the body. how do physicians estimate the extent of burn damage associated with such dangerous fluid loss?