An unknown hair sample is found at a crime scene. Forensic scientists measure its index of refraction and obtain a value of 1.71. A suspect's jacket was made of Dacron polyester, his jeans were made of cotton, his shirt was made of rayon, and his tie was made of nylon. Which piece of clothing may match the fiber at the crime scene?
jacket
jeans
shirt
tie

When employing the core learning system, reading text books and attending class are important ways to knowledge.

What was an important effect of blackstone's commentaries of the laws of england? a. people in england no longer had to pay taxes b. common law became more accessible c. judges were able to rule as they d. the rights of the accused were done away with.

Aresearcher conducts a focus group to learn about attitudes towards hygiene and disease prevention. two weeks after the focus group, the researcher learns one of the subjects had a heart attack at home and was hospitalized, but made a full recovery. based on dhs regulations, the researcher report this event to the irb? no, this does not need to be reported since the subject had the heart attack when they were home, not at the focus group.no, this does not need to be reported since it is unrelated to participation in the study.no, this does not need to be reported because two weeks have passed.no, this does not need to be reported since the subject recovered.