What do scientists need to look at before developing an argument

The correct answer will be- the procedural steps of scientific method.

Explanation:

Argumentation over a scientific issue is a part of the scientific method which is done at the time when the results are communicated to the scientific community.

Since the scientific investigations are based on the scientific methods, so the basis of the arguments will be the procedural steps of the scientific methods which could be the predicted observations, hypothesis, results, and the validity of the conclusions.

Thus, the procedural steps of the scientific method are the correct answer.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.