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Summer Mystery Contest - Week 4
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Summer Mystery Contest - Week 4
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Sam Sleuth asks the viewers what would leave fingerprints without lines. Is it a) something not human, b) someone wearing gloves, or c) someone with dirty hands?
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Authors
Infobase
TV Ontario (Firm)
Subjects
Sound-waves.
Waves.
Physical sciences.
Wave theory of light.
Physics.
Sound.
Language
English