Sustenance Natural resources and of the origin of the four factors in the lives of humans. Humans are dependent on natural resources to meet the needs of the four factors, namely food, apparel, housing and medicine.
The fourth factor is the origin of living natural resources in human life. Man must rely on natural resources to meet the needs of the four factors is food, clothing, housing and medicine.
Living natural resources is a source of 4 factors in human living. Man must rely on natural resources in order to satisfy the basic is a food, apparel, housing and medicine.