Question

how does potential resource become natural resource

Answer 1

Potential resources are  known to exist and may be used in the future. ... Actual resources are  those that have been surveyed, their quantity and quality determined, and are being used in present times. For example, petroleum and natural gas  is  actively being obtained from the Mumbai High Fields.

Answer 2

Explanation:

A resources whose entire quantity is not known is called potential natural resources.

for example: Tidal,solar and geothermal energy