Explanation:
Contamination can have undesirable consequences in real experiments, some of them are related to the feelings that may arise in the research participants, the contamination bias reduces the differences between the research groups, and can cause a comparison between the treatments of each different group, the which can generate conflicts and rivalries on the part of groups that consider themselves to be inferior to others. These contamination-related problems can significantly interfere with the research results.
I believe the correct answer from the choices listed above is option B. The average weather condition in an area over a long period of time is called climate. It is a statistical distribution of weather patterns when that change lasts for an extended period of time. Hope this answers the question.
A deductive argument is one that the arguer wants to be deductively valid, that really is, to provide a guarantee that the conclusion is correct if the premises are correct.
This principle may alternatively be put as follows: in a deductive argument, the premises are designed to give such strong evidence for the conclusion that, if the premises are true, the conclusion cannot be wrong. A valid (deductively) argument is one in which the premises successfully ensure the conclusion. If a valid argument has true premises, it is also said to be sound. All arguments are either valid or invalid, and either sound or unsound; there is no such thing as being partially valid.
Therefore, the answer is deductive argument.
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The answer is b
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