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Mathematics 21 Online
OpenStudy (anonymous):

Help, Help please It is impossible to obscure serial numbers. True False Question 2 True/False Any wet clothing from a victim should be air dried before it is packaged. True False Question 3 True/False A tool suspected of being used at a crime scene should be tried out in a tool mark to see if it fits. True False Question 4 True/False Bullets have only class characteristics, not individual characteristics. True False There's more questions coming.

OpenStudy (anonymous):

false, true, true, false

OpenStudy (anonymous):

what are those for

OpenStudy (anonymous):

Question 6 What uses chemicals to develop gunpowder residue patterns, particularly around bullet holes? Gunpowder Analysis Test Lead Test Greiss Test Bell-Blackman Test Question 7 What can be used to recover serial numbers? A groove reagent A pattern reagent An etching reagent A rifling reagent Question 8 (Multiple Choice Worth 1 points) Where can a bullet be marked with the investigator's initials? On the side On the base Around the bullet A bullet should never be marked Question 9 How long does gunpowder residue remain on a shooter's hands? A few hours About 24 hours A few days About a week

OpenStudy (anonymous):

Forensic Science

OpenStudy (anonymous):

oh are you homeschooled then

OpenStudy (anonymous):

Yes. Flvs.

OpenStudy (anonymous):

ok im with wiva

OpenStudy (anonymous):

those other ones are a bit complecated

OpenStudy (anonymous):

oh. I'll put diffrent ones.

OpenStudy (anonymous):

The barrel of a gun is also known as what? Rifle Caliber Bore Gauge Question 11 (Multiple Choice Worth 1 points) If a gun is found in water, what should investigators do to transport it to the lab? Dry the gun out Dry and clean the gun of any water or dirt Assume any evidence is gone Keep the gun in some of the same water Question 12 (Multiple Choice Worth 1 points) What tool is used in analyzing bullets? Lighted microscope Comparison microscope Bullet microscope Laser microscope Question 13 (Multiple Choice Worth 1 points) When a tool mark is found, what is done first? Trying to fit a suspected tool in the mark Taking the whole tool mark to the laboratory Creating a cast of the mark Taking a photograph of the mark Question 14 (Multiple Choice Worth 1 points) The first step in collecting a firearm from a crime scene is what? Ensuring safety Finding where the bullets went Dusting the firearm for prints Tagging the firearm with an identification tag Question 15 (Multiple Choice Worth 1 points) What is used to make a cast of a tool mark? Resin Silicone rubber Plaster of Paris All of the above

OpenStudy (anonymous):

@_fluffeh_

OpenStudy (anonymous):

@jackmullen55

OpenStudy (anonymous):

Hey

OpenStudy (anonymous):

Hey. Help please @jackmullen55

OpenStudy (anonymous):

It's supposed to be in the science section but it's in math accidently.

OpenStudy (anonymous):

Im here

OpenStudy (anonymous):

Question 5 At a distance of more than three feet from gun to target, there will generally not be signs of gunpowder on the target. True False

OpenStudy (anonymous):

1 is b

OpenStudy (anonymous):

I think 3 is d. This isn't really my thing. I watch Hawaii Five-O but I don't think I can answer these questions. 5 I believe is False. Only because when a bullet is separated from the shell traces of gun powder remain on the bullet

OpenStudy (anonymous):

Thanks @jackmullen55

OpenStudy (anonymous):

Sorry I tried

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