Imagine you are a detective examining a crime scene. you are trying to
identify the person who committed the crime, so you collect many samples at
the crime scene. which sample would be most useful in identifying the
person who committed the crime?
o
a. a newspaper left at the crime scene
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b. an ant found crawling across the crime scene
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c. pieces of hair found at the crime scene
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d. gravel and dirt on the ground at the crime scene
submit

C. Pieces of hair found at the crime scene.

Explanation:

Pieces of hair found at the crime scene is more useful to find the criminal who committed the crime, because it helps in indetifying criminal's DNA through the process of DNA fingerprinting. The hair is analyzed by the chemical makeup of the hair and extracting DNA from the hair follicle, pieces of hair must have hair follicle attached to find DNA of the criminal.  

Nuclear DNA can be successfully extracted from the hair root. Cut hair samples are useless without hair follicle attached. Its DNA will be useful only few months for testing. The DNA last in hairs about 1,000 to 10,000 years.

1. they vary with a higher number because boiling is way hotter than melting

idk what the question is about