Disaster in the Community.Chronic Illness.Read chapter 19 and 28 of the class textbook and review the attached Power Point presentations. Once done answer the following questions;1. Define natural and man-made disaster and give to example of disasters that occurred during this past 2017 year. How the disasters you choose affect the delivery of community health nursing.2. Following the levels of prevention; do you think that the above mention disaster could be prevented. Why?3. In your own words define the term chronic illness and mention the three must common chronic illnesses in your community.4. Please discuss the economic impact of the three chronic illnesses that you mention in question number 3 and how the levels of prevention can be apply to prevent the mention illnesses.