1)what is the general legal definition of arson, and how does this definition differ across various jurisdictions. 2. Explain the fire triangle and its significance to understanding how an arson fire is set. 3. Explain why the point of origin is significant to arson investigators. 4. Explain why "overhaul" of a fire scene is problematic for arson investigators. 5. Explain the difference between high and low explosives. How can an investigator tell if a bomb was constructed from high or low explosives