although there are different ways to approach a scientific investigation, all scientific investigations…
although there are different ways to approach a scientific investigation, all scientific investigations begin with some sort of experiment. theory. observation.
Answer
Brief Explanations:
In scientific investigations, observations of phenomena in the natural - world are the starting point. Experiments are carried out based on initial observations, and theories are developed to explain the observed and experimental results. So all scientific investigations begin with an observation.
Answer:
observation