Is defined as physical, social, and economic access to sufficient, safe, and nutritious food to meet dietary needs and food preferences needed for an active and healthy lifestyle.

Food security.

Explanation:

Food security is defined as the condition which exists when all the  people, have economic, physical and social  access to appropriate art all the time , safe and nutritious food will be available for  their diet and there is always a preferences of food  for an healthy and active  life.

When all the people have both economic and physical access to food which is sufficient for their diet than people will lead healthy and active lifestyle. This is done by food security.

there are no atoms

answerdmitry mendeleyev made a workable classification of the elements