Question

what is the definition of a scientific theory?
a. a scientifically acknowledged principle that has been confirmed by repeated experimental observations.
b. a proposed explanation for an occurrence based on available data, observations, or evidence.
c. the final outcome of an experiment completed one time.
d. a well supported explanation of why a phenomenon occurs.

Explanation:

A scientific theory is a well - established explanation of a natural phenomenon that is supported by a large body of evidence from multiple sources such as experiments, observations, and data analysis. Option A describes a scientific law. Option B is more of a hypothesis. Option C is an incorrect description as a single - experiment outcome is not a theory. Option D correctly defines a scientific theory as a well - supported explanation of why a phenomenon occurs.

Answer:

D. A well supported explanation of why a phenomenon occurs.