Biology

When it is supported by consistent data from many experimental trials.

A hypothesis becomes a theory when it is repeatedly supported by evidence from multiple experiments or observations over time. A theory is a well-substantiated explanation of some aspect of the natural world that is based on a body of evidence, often built up over many experiments and trials. The key here is the consistency and reliability of the data supporting the hypothesis across different conditions and by independent researchers.

Here's a breakdown of why the other options are not correct:

A.When one good set of scientific data supports a theory: A single experiment or set of data might support a hypothesis, but it is not enough ...