Answer:
The last one
Explanation:
Share cropping mainly happend in the Civil War. Hope that helped
In a research study designed to test the effects of alcohol on sociability, neither the participants nor the investigator are aware of who receives alcohol and who does not. this is an example of: the double blind technique.
<h3>What is the double blind technique?</h3>
This is the term that is used in experiments to refer to the existing situation where the people carrying out the experiments and the ones that are participants do not know the particular person that is receiving a given treatment,
Hence we have to say that based on the fact that the participants and and the investigator do not know the groups that are taking the the alcohol and who does not, it is a double blind study.
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True, laboratory examination may narrow the origin of such evidence to a group of persons that includes the suspect.
More about laboratory examination:
Scientists examine the evidence gathered from crime sites, suspects, and sufferers in crime laboratory. They can examine everything, including DNA, biometrics, human body parts, and questionable objects.
Numerous labs have seen increased responsibilities as a consequence of the increasing reliance on scientific approaches in criminal investigations. By narrowing their procedures and offering up-to-date training, NIJ is committed to assisting crime laboratories in growing their capacity to keep up with technological advancements in crime solving.
Learn more about the laboratory here:
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Answer:
up your 3utt and around the corner jk its Sagittarius A;)
Explanation:
