Biology

The correct answer is law.

The statement "Matter is not created or destroyed during chemical reactions" is an example of the Law of Conservation of Mass. This is a scientific law, which describes a consistent, universal principle based on repeated observations and experimentation.

Explanation:

A.Hypothesis: A hypothesis is a testable prediction or explanation that is proposed before an experiment. It is something that can be tested and either supported or refuted. The statement about matter is not a hypothesis because it's already a well-established principle, not a testable guess or prediction.

B.Theory: A theory is a well-substantiated explanation for a broad range of phenomena, supported by a lar...