Question

potentialresources v/s stock resources

Answer 1

potential resources are those resources which are not used by the people but it can be used in future with improved technology
stock resources are those resources which are in limited quantity

Answer 2

Resources that have the backup technology for them to be utilized and fulfill human needs however aren’t used due to lack of requirement are potential resources.
Resources capable of satisfying human needs but don't have the appropriate technology for their back at the moment are stock resources.