1- Discuss: Hypertension is the silent killer. It is the most serious cause of death in the world. Please discuss causes of hypertension in Saudi Arabia .2- Discuss: The effective communication system has a great role in the disaster response process, discusses, what the role of social media in disaster response and management? Provide a rationale for your response. Use a public health disaster example to illustrate your points.3- Discussion questions: Community-based health and nutrition programs have not been as effective in sub-Saharan Africa as they have been in other developing countries. Why?Guidelines : Please each question should be less than 250 word. Please post your original response by Wednesday at 11:59 p.m. Your response should be a minimum of 5 sentences but should not exceed 250 words. Appropriately cite any of the references that you use to fully answer the question