1. What is the primary chemical reaction that occurs during combustion? a. Reduction b. Oxidation c. Hydration d. Sublimation 2. Which of these is NOT one of the three requirements for sustaining combustion? a. Pressure b. Oxygen c. Fuel d. Heat 3. What pattern do investigators look for to determine a fire's point of origin? a. U-pattern b. X-pattern c. V-pattern d. W-pattern 4. What is a common method used to detect accelerants at a fire scene? a. Hydrocarbon detectors b. UV light scanning c. pH testing d. Metal detectors 5. Which of these is NOT a common reason for committing arson? a. Political protest b. Insurance fraud c. Revenge d. Pyromania 6. What makes arson investigation particularly challenging compared to other crimes? a. Limited witnesses b. Destroyed evidence c. Time constraints d. Legat complications