Question

what is reserves.........

Answer 1

$\huge{\boxed{\mathcal{\red{\underline{RESERVES}}}}}$

Resources which are available and the knowhow to use them is also present but they are yet to be used are called Reserves. For example – river water which is not used to generate electricity.

Answer 2

A resource is that amount of a geologic commodity that exists in both discovered and undiscovered deposits—by definition, then, a “best guess.” Reserves are that subgroup of a resource that have been discovered, have a known size, and can be extracted at a profit.