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The natural oils on the finger stick to the surface leaving a fingerprint:)
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∙ 13y ago
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A fingerprint left on a metal surface is composed mostly of?
Water
Why is fingerprint spray better than iodine?
fingerprint spray is better than iodine because iodine can smudge the fingerprint but the fingerprint makes it clear.
What property causes water to form beads?
The property that causes water to form beads is called surface tension.
The fource which causes liquid to rise in a narrow tube is?
surface tensions
Why is fingerprint spray dangerous?
because it is
Does glass temperature effect a fingerprint?
Yes. The colder the surface temperature, the more clearer the fingerprint will be. The warmer the surface temperature, the less clear the fingerprint will be.
What causes fingerprints?
Basically, a fingerprint left on a surface is caused because: Oils form on sweat glands in our fingers, collecting on ridges of a fingerprint. After touching something, the oils and other materials previously on the ridges are left behind on the surface you just touched. I hope that helps.
What is the easyest surface to find a fingerprint on?
The easiest surface is Glass!!!!!! glass is transparent therfore the light will shine showing the fingerprint! -soccerbabe
A fingerprint left on a metal surface is composed mostly of?
Water
How do you get a latent fingerprint to show on a porous surface?
couldn't you but paint on a finger and press into it???
Why is everyone's fingerprint the same on every surface?
Their not. Every fingerprint is an individualism particle of who you are. They may look alike externally but there is always some twist or turn.ALWAYS. Antoinette A:)
What are the application of fingerprint recognition?
to identify each individual, identify the causes of disease ...
What causes BTB to stay blue?
"Base" causes BTB to stay blue.
What is the effect of surface temperature on fingerprints?
I had to complete a science fair project in high school about the effect of surface temp on fingerprints. My results showed that the colder the surface temperature, the more likely you are to see the fingerprint.
How long will fingerprint stay on a tombstone?
A long time. Whiy do u need to kno, u graverobber? lolololol
What cause fingerprints and footprints?
Basically, a fingerprint left on a surface is caused because: Oils form on sweat glands in our fingers, collecting on ridges of a fingerprint. After touching something, the oils and other materials previously on the ridges are left behind on the surface you just touched. I hope that helps. Read more: What_causes_fingerprints
What causes a fingerprint to form?
go to http://www.norfolk.police.uk/article.cfm?artID=7765&bctrail=0&catID=671
