D most likely because we can then learn if the animal gets affected by the amount of whatever you use or not.
It is imperative for medical coders to understand medical terminology because the terms used are important in the medical field as it serves as a basis of what a medical professional will do by means of describing a symptom, diagnosing and even the test that you need to order. And in a way, it helps the medical professional to communicate with the language that they both understand.
It means they want to show u how to set a goal and do what u want to do if u don’t give up and believe
It is considered a secondary resource, because while she was there, she may have been too young to recount all events truthfully, and may either leave out some key moments or accidently add things that shouldn't be in there
hope this helps