List the resources on the basic of the status of development.

The classification of resources on the basis of status of development is as follows: (i) Potential Resources - Resources that are found in the region but have not been utilized. For eg: Western part of India has enormous potential for solar and wind energy which have not been properly utilized. (ii) Developed Resources - Resources which are surveyed & their quantity is determined for utilization, its development depends on technology & level of their feasibility. (iii) Stock Resources - Material in the environment which has the potential to satisfy human needs but due to lack of technology human are not able to utilize them. Eg - water is a compound of hydrogen & oxygen they are the rich source of energy but due to lack of technology, we cannot use them. (iv) Reserves - They are the subset of stock which can be put into use with the help of existing technological skills but their use has to not been started.