Final answer:
The list 'Observation, Theory, Hypothesis, Experiment' represents elements exclusively part of the scientific method, as these steps are fundamental in the systematic approach to scientific inquiry and exploration.
Step-by-step explanation:
The appropriate list of elements that are exclusively part of the scientific method is 'a) Observation, Theory, Hypothesis, Experiment.' This is because these four elements are integral parts of the scientific method. The process begins with an observation, which leads to asking a question or identifying a problem. Next, a hypothesis, or a tentative explanatory statement that can be tested, is developed. Following this, an experiment is designed and conducted to test the validity of the hypothesis. If repeated experiments confirm the hypothesis, it may contribute to the development of a scientific theory, which is a thoroughly tested and confirmed explanation for a set of observations or phenomena.