Answer:
Safety and security
food, water, and shelter
health and medical
power and fuel
communications and transport
Explanation:
A lifeline allows business and government structures to continue to operate and is beneficial to human health and financial stability. Lifelines are perhaps the most important resources in the community that allow all other facets of society to work when balanced. The interconnected network of resources, services, and securities ( food, water, and shelter, medical care, communications facilities, etc) that provide lifeline services is used on a daily basis to facilitate the community's regularly occurring needs and give all other elements of society to perform efficiently.
