<prompt> Which one of the following is an environmental factor associated with mental illness?a Emotional stressb Frustrationc Broken homed AnxietyabcacdbcdAll of the above  <response>: Causes of mental ill health Organic conditions Cerebral atherosclerosis, neoplasm, endocrine diseases, metabolic diseases, chronic diseases TB, Leprosy.HereditySocial-environmental factors Worries, anxieties, emotional stress, tension, frustration, unhappy marriages, broken home, poverty, industrialization, urbanization, population mobility, cruelty, rejection, neglect, economic insecurity etc. 