Which part of a scientific argument must be supported by valid data

The answer is valid data. A scientific argument utilizes confirmation to present a defense for whether a logical thought is precise or erroneous. The desires created by a logical thought and the genuine perceptions significant to those desires from what we'll call a logical contention.

Evidence is that part of any scientific argument which must be supported by valid data. Any scientific argument is supported by evidences to make sure that the arguement is accurate or not. Based on the observations and the data, any argument is said to be scientifically valid.