Lara used ninhydrin. Ninhydrin is generally applied with a spray bottle, and will work with the amino acids within the evidence to produce a purple-effect. This is also known as Ruhemann’s Purple.
I’m not sure what you mean so if you could elaborate just a bit more ♀️
Answer:
The answer is probably C because I looked it up on the internet.
The Chinese exclusion act of 1882 allegedly stated that Chinese immigrants were no longer allowed in America. This was a form of discrimination because they were not welcomed even though they were a significant force of labor .