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False, hard |
Impressions are easy to find individual characteristics in. |
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Fingerprints |
Which of the following would be most likely to have individual characteristics? |
|
Spokes of a wheel |
Radial fractures in a piece of glass look most like which of the following? |
|
False, breaks easily |
Plaster of Paris is often used to create casts of impressions today |
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True |
Many soils can be distinguished from other samples by their color and texture. |
|
It turns purple |
When the drug heroin comes into contact with the Marquis reagent chemical what happens? |
|
All the above: hair, fibers, and soil |
Which of the following is an example of physical evidence. |
|
A group |
Class characteristics are those associated with what? |
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Taking a photograph |
What is the first step in recording an impression? |
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False, very similar |
The chemical composition of glass varies widely from manufacturer to manufacturer. |
|
True |
If soul is found on the bottom of a shoe, the soil left on the shoe and the entire shoe is taken to the crime lab. |
|
Fingerprints |
A ridge characteristic describes a property found where? |
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They must fit together |
For glass fragments to be individualized, what must be true? |
|
24 hours |
How long do casts of impressions need before they can be analyzed? |
|
Demonstrative evidence |
What is the evidence that is used to help recreate or illustrate a crime? |
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