The available resources can be divided into
Also can be repeated recycling processing recycling of material resources, including minerals for the production of raw materials and scrap iron and steel, nonferrous metals, rare metals, alloys, inorganic non metal, plastics, rubber, fiber and paper are called renewable resources.
Renewable resources is a renewable resource, is non renewable in the production of human life, science and education, transportation, defense and other activities be developed once and scrap,
Human resources can be divided into two categories: one is non renewable resources, and the other is renewable resources. Two.
