Unit 2 Ch 1 : Resources and Development — Social Studies STD 10 — Question

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.
For example, water is a compound of two inflammable gases; hydrogen and oxygen, which can be used as a rich source of energy. But we do not have the required technical ‘know-how’ to use them for this purpose. Hence, it can be considered as stock.