Answer: Some kids are a bad influence
Explanation: According to my studies, many teenagers build up a ball of rage inside their head. As a result, they peer pressure poor innocent children to feel happy. This is called a pyschopath.
Johnny is a forensic scientist. He tests for gunshot residue. Which of the following tests might Johnny use?
test, which should turn the material red if gunshot residue is present. For another item, he only has a
which is known to return conclusive results even on very small amounts.
Johnny uses the
small amount of material to test, so he chooses
Johnny uses the small amount of material to test.
How can gunshot residue be found using a test?Identifying GSR has been done since the late 1970s using a scanning electron microscope (SEM). For GSR analysis and identification in a laboratory setting, this method is the most trustworthy. The first step in this process is to use a swab that has been moistened with diluted nitric acid to swipe the suspect's hands, clothes, belt, or shoes.Other techniques, like atomic absorption, simply detect the quantity of bulk elements present and do not account for their form, making scanning electron microscopy the sole approach available to validate the presence of GSR particles.To learn more about GSR particles refer to:
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