TSA - Forensic Technology Written
Exam Questions and answers with
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circumstantial evidence - ✔✔evidence that relies on an inference to connect it
to a conclusion of fact—like a fingerprint at the scene of a crime. By contrast,
direct evidence supports the truth of an assertion directly—i.e., without need for
any additional evidence or inference.
Chromotography - ✔✔method used by scientists for separating organic
and inorganic compounds so that they can be analyzed and studied
, Retention Factor (Rf) - ✔✔The retention factor of a particular material is the
ratio of the distance the spot moved above the origin to the distance the solvent
front moved above the origin.
What protein Is hair primarily made of - ✔✔Keratin
How many ridges does the average human adult have on one finger - ✔✔150
What causes fingerprint ridge patterns - ✔✔Amount and location of volmer
pads in thick skin
What insect is usually the first to come in contact with a dead body -
✔✔Blow flies
What percentage of the population has arched fingertips - ✔✔5%
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