Fingerprints
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What are fingerprints?
Fingerprints are marks left by tiny ridges of your fingertip. These markings are left by dust or other particles on the oil of your skin.
What are the 4 main types of fingerprints?
Plain Arch, Tented Arch, Loop, Whorl
What type of fingerprint has ridges that enter on one side and flow out the other side with a rise or wave in the centre?
Plain Arch
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