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.

answer; the male's sperm cells have mitochondria, but because the sperm contributes dna but no cytoplasm, no mitochondria are passed to the egg at ferilization;