Any matter or energy derived from the environment that is used by human beings such as air, water, soil, mineral, fossil fuels, plants and wildlife is called a natural resource.
Non-renewable resources can be further classified as :
It is the ability of humans that help in transforming the physical materials into valuable resources, so the number and abilities (mental and physical) of the people is called as Human Resources.
Health and education make people competent for developing resources. improving the quality of people's skill so that they are able to create more resources is known as human resource development.
Those aids of production which have been created by people to utilise the physical materials of the environment are called Human made resources e.g. machines, tools etc. Human made resources have gained importance because they help in enhancing the productivity. This is done by: