In milk, always suspect melamine first.
I suspect that the answer is specific gravity but, with only part of the question being visible, it is hard to be sure.
I suspect the thing you are looking for is Dark Energy.
I suspect you are searching for the British scientist Isaac Newton.
By attempting to cross-index them with fingerprint files and identifysing a suspect, or by matching them with a specific suspect.
If the police have a valid suspect they can obtain a DNA sample from them and by submitting both the evidentiary piece of hair and the obtained sample - if both samples match it is usually mathematically conclusive proof that the suspect hair strand came from that individual.
Not necessary, even test can be performed on discreet samples. To establish relationship only father's and child sample required.
I suspect that an "Argentive Joint" is a specific cut of beef. But I do not have any proof or reference for that.
This would be decided by the specific department's policy guide.
Tens of thousands of them. Please be more specific.
search warrant
I suspect that the word "gravity" was already know before his time. He simply investigated the rules in more detail - and claimed that not only Earth attracts us, but that all other objects have attractions among themselves.
for specific info., I need to know the denomination. I suspect it is worth allot though.