Tracy has been called to a crime scene to uncover old bloodstains. which technique will tracy likely use?

tracy will likely use the technique. this technique is used to uncover dry bloodstains.

(fill in the blank)

in order to appeal you must be able to show why the mark or classification you are appealing against is unfair, or does not represent your true academic ability. you believe your degree classification was not calculated correctly. a procedural problem over the way an exam or assessment was conducted or marked.