What is the definition of empirical evidence? A. Empirical evidence is evidence based on personal experience.
B. Empirical evidence is evidence based on scientific research.
C. Empirical evidence is evidence based on accepted truths.
D. Empirical evidence is evidence based on historical facts.
The correct answer is B. Empirical evidence is evidence based on scientific research.
### Explanation:
Empirical evidence refers to information acquired by observation or experimentation. It is data that can be tested and verified through scientific methods, making it essential in forming hypotheses and drawing conclusions in scientific research. This evidence contrasts with opinions or beliefs that are not backed by observable and measurable phenomena.