The answer is B (An app on your smartphone that tracks the nutritional status of foods you eat)
I think it is natural selection. genetic variation also could be a factor for physical variation over the years.
All of them do and sadly always will ?!
Answer: Physical Health: the condition of your body, taking into consideration everything from the absence of disease to fitness level.
Mental Health: a person’s condition with regard to their psychological and emotional well-being.
Emotional Health: When you are in control of your thoughts, feelings, and behaviors.
Social Health: your ability to form meaningful relationships with other people and interact in healthy, positive ways.
Environmental Health: the issues dealt with by the Environmental Health Department of a local authority, such as prevention of the spread of communicable diseases, food safety and hygiene, control of infestation by insects or rodents, etc.
Spiritual Health: includes a purposeful life, transcendence and actualization of different dimensions and capacities of human beings.
Explanation:
