The majority of explosives that forensic scientists deal with are homemade bombs and similar explosive devices. true false question 5(multiple choice worth 5 points) (08.03 mc) to measure traces of hydrocarbons, forensic scientists use a device called a(n): sniffer ontoscope gas chromatograph carbon oscillator question 6(multiple choice worth 5 points) (08.03 mc) you're deprived of your typical lab equipment but need to detect hydrocarbons in evidence. which of the following tools would you most likely be able to use to release traces of hydrocarbons? a cigarette lighter a refrigerator a fruit-drying machine a faucet question 7(multiple choice worth 5 points) (08.05 mc) while on the scene of a very large explosion, you realize that you and your colleagues require additional wire mesh screens to collect evidence. what are you most likely sifting through? liquid found at the crime scene debris found at the crime scene dirt from footprints found at the crime scene vapors from the explosion question 8(multiple choice worth 5 points) (08.05 mc) when evidence from an explosion reaches the lab, one of the first technologies used to analyze enhanced the human sense of: sight smell taste touch question 9(multiple choice worth 5 points) (08.05 mc) a colleague in the lab ended up with contaminated explosive evidence. looking through their work area, you see they have a very small table, next to a sink, with small plastic bags stored in tight rows, at room temperature. what would you advise the colleague to change about their evidence system? the evidence needs to be refrigerated quickly between analyses. the evidence can't be stored in plastic bags at all. the bags can't be kept so close together. they can't be near the sink, it's too humid. question 10 (true/false worth 5 points) (08.02 lc) water used to put out fires can interfere with testing for flammable liquids. true false question 11 (true/false worth 5 points) (08.02 lc) petroleum-based accelerants typically evaporate within days and sometimes even within hours. true false question 12(multiple choice worth 5 points) (08.04 lc) craters are typically created in the spot where explosives detonate. low high neither low nor high either low or high question 13(multiple choice worth 5 points) (08.04 lc) at room temperature, a sudden expansion of would be considered an explosion: oxygen water fire heat question 14(multiple choice worth 5 points) (08.04 lc) which of the following tasks for an explosion crime scene would you most likely assign to your most experienced, skilled team members? photographing the location where the bomb exploded collecting residue samples from the scene assessing whether the explosion was a result of a criminal all of the above are equally as challenging. question 15 (true/false worth 5 points) (08.03 lc) plastic bags used as evidence containers after fires can produce dangerous gases. true false