Final answer:
A scientific theory is a comprehensive and evidence-supported explanation of natural phenomena, validated through extensive testing and not just an educated guess. The correct option is c)
Step-by-step explanation:
A scientific theory is a set of statements that accomplish several key aspects: they conform to the rules of logic, explain relationships between diverse phenomena, and lead to empirically testable hypotheses. Specifically, a scientific theory is an explanation of natural phenomena that is supported by evidence, and it holds significant empirical support gathered through scientific methods. Theories are more than just educated guesses; they are comprehensive explanations that have been tested and validated numerous times through experiments and observations.