the progress of human depends upon the exploitation of different natural resources. the utilization of soil, water, coal, electricity, oil, gas and nuclear energy  is very important for the development of nation. any matter which is required or used to sustain life or livelihood is termed as resource.
In other world resources are all these requirement of organisms, population and communities which trend to help in accumulation of energy by their increased availability.
Natural resources are defined as form of energy and or matter which is essential for the functioning of organisms, population and ecosystems. Natural resource refers to any form of energy or matter essential for the fulfillment of physiological, socioeconomic and culture needs both as undivided or a community.