A. <span>the layer of rock and mineral fragments that covers nearly all of Earth's land surface</span>
Answer:
B. use a new pair of gloves for each piece of evidence
Explanation:
When it comes to the basic precautions of handling biological evidence samples, one has to prevent cross contamination. This refers to the<em> transfer of DNA from one evidence to another evidence</em>; thus, it is important for Jane to use a new pair of gloves for each piece of evidence in order to prevent such occurrence.
Wearing of gloves will also <em>prevent Jane's DNA from being implanted into the sample</em>, and it will keep her safe from contracting blood-borne pathogens like those in the saliva, blood or semen.
I think its the first 1 C i remember answering this question on my school work
The properties of the electrons of an atom are determined in large part by the number of protons presented in the nucleus of the atom