Natural resources are resources that exist without actions of humankind.Natural resources can provide materials and energy for human use.They are the material foundation of human survival and the inherent source for s...Natural resources are resources that exist without actions of humankind.Natural resources can provide materials and energy for human use.They are the material foundation of human survival and the inherent source for social development.According to the definition given by the United Nations Environment Program(UNEP),'Resources。展开更多
文摘Natural resources are resources that exist without actions of humankind.Natural resources can provide materials and energy for human use.They are the material foundation of human survival and the inherent source for social development.According to the definition given by the United Nations Environment Program(UNEP),'Resources。
