b’1.Explain the term xc2x93population at riskxc2x94 and provide at least two relevant examples as seen in the practice of modern epidemiology. Your response must be at least 200-400 words in length 2. Explain the’

b’n1.Explain the term xe2x80x9cpopulation at riskxe2x80x9d and provide at least two relevant examples as seen in the practice of modern epidemiology.Your response must be at least 200-400 words in length2. Explain the meanings and uses of incidence, prevalence, morbidity, and mortality in modern epidemiology.Your response must be at least 200-400 words in length.3. What are xe2x80x9ctemporal clusteringxe2x80x9d and xe2x80x9cspatial clusteringxe2x80x9d in descriptive epidemiology? What is the significance of each type of clustering?Your response must be at least 200-400 words in length.4. What are xe2x80x9csecular trendsxe2x80x9d and xe2x80x9ccohort effectsxe2x80x9d in epidemiology? What is the essential difference between the two?Your response must be at least 200-400 words in length. ‘