Which of the following definitions describes a physical hazard? a. can be present in dust, fumes, liquids, solids, mists, vapors, or gases of products used at a site or released during a construction job b. microorganisms, such as bacteria, fungus, mold, or viruses that can cause illness c. the most commonly thought of hazard in construction. this hazard includes radiation, extreme temperatures, noise, and vibration. d. these hazards can lead to injuries