EPIDEMIOLOGYFirst, Respond to these two questions with reliable sources. Minimum 200 words for each question.Question 1:Descriptive Epidemiologythat sounds interesting. describing or classifying without expressing feelings or judging So what is it, how does it work and why does it workor does it work?Note: Lots of leeway here, just back up what you have to say.Question 2:Person, Place and Time.a Triad. Why are these the bedrock of Descriptive Epidemiology and why are there no tests, like lab tests?