Answer: EMS is constantly evolving in response to evidence-based research.
Explanation: Evidence-based research is the use of information to make decisions about a research and not an opinion.
It is a systematic process whose purpose is to congeal the best available research findings with historical and laboratory test results in order to optimize the process of making decisions.
it is any practice that relies on scientific and mathematical evidence to form strong inductive or deductive arguments for guidance and decision-making.