STOCK-> It means resources are available but we can\’t use them due to lack of technology and skills……. ……… …………. RESERVES-> It means resources are reserved to use them in future with present technology.
Stock is something which can be useful for the human beings but human beings do not have appropriate technology to access it and reserve material can be used by the people but they are reserved for the future like forest

\tStockReserve1. Materials in the environment which have the potential to satisfy human needs but human beings do not have the appropriate technology to access these, are included among stock.1. Reserves are the subset of the stock, which can be put into use with the help of existing technical ‘know-how’ but their use has not been started.2. Example: Minerals found in the sea bed or under oceans.2. Examples; forests, reservoirs.\t\xa0