Dna profiling is one of the best sources of evidence to identify the guilty party because

a. ) the analysis of the dna is a very easy process
b.) a person’s dna profile is unique to only them
c.) the fbi and the courts have agreed to accept this evidence above al else when convicting a criminal
d.) every type of crime is going to have a source of dna left behind .

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?

One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(ii) carbonate, in concentrated sulfuric acid. the sulfuric acid reacts with the copper(ii) carbonate to produce a blue solution of copper(ii) sulfate. scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: (s) (aq) (s) (aq) suppose an industrial quality-control chemist analyzes a sample from a copper processing plant in the following way. he adds powdered iron to a copper(ii) sulfate sample from the plant until no more copper will precipitate. he then washes, dries, and weighs the precipitate, and finds that it has a mass of .