The questions is asking what you learned or what your able to tell by reading the text
The correct answer is letter D
In this case the best explanation is experience.
Experience is a form of direct knowledge, which confirms itself. Experience is true knowledge, which does not require or involve belief, since knowledge excludes any need to believe.
Answer:
social epidemiologist
Explanation:
Social epidemiologists generally use social concepts in order to explain patterns of health in the population.
B. by a charter hope this helps good luck
3). he had explored the world
4). Because they r all they need
