Choose two of the following essay questions: Explain why arson evidence is packaged in metal cans. Explain the difference between the headspace and vapor concentration techniques in determining if a sample contains an accelerant. Explain the differences between high and low explosives. Discuss the difficulties in investigating an explosion scene. Please write a short 200 word essay for each topic. Please use APA format, Times New Roman 12 point font, with 1" page margin