Answer:
B. A precipitin test is the correct answer
Explanation:
To determine whether a bloodstain is of human or animal origin, the serologist will perform: A precipitin test.
The precipitin test is based on the interaction between antigen and antibody which results in the formation of antigen-antibody complexes and this visible precipitate antigen-antibody complexes is called precipitin.
Precipitin test is a serological test where antibody reacts with soluble antigen to produce a precipitate.
The precipitin test is used to distinguished whether the blood sample is from human or different sources.
Answer:
placebo
Explanation:
According to my research on studies conducted by various psychologists, I can say that based on the information provided within the question the cigarette without nicotine is a placebo. This term refers to a substance that has no chemical effects and is given to a patient or test subject instead of the actual drug, in order to compare the effects that it has to the individual in comparison to the effects of the individuals that take the actual drug. Which is what the researcher are doing in this scenario as they test the reactions that nicotine has on individuals with those that just think they are smoking a cigarette.
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Answer:
The passage commits a fallacy and specifically commits a false cause fallacy
Explanation:
A fallacy is a sort of faulty reasoning that makes a faulty argument. A fallacy usually denoted an error in logical form of an argument, it could also be formal or informal.
A fallacy of false cause is a kind of fallacy that makes a wrong conclusion from a premise that is usually arbitrary or imaginary. Example, how can the speaker above be so sure that the individual going to Las Vegas would end up exactly the way he had said it.
Answer:
Ethnopragmatics
Explanation:
Ethnopragmatics is an approach towards studying languages in a way which states that culture plays an important role in establishing the link between language and other cultural phenomenon.
Ethnopragmatics studies the reason for the diverse languages that exists and looks through them with the perspective of the cultures that differ from each other.
Hence, the statement here refers to ethnopragmatics
