Question

what do we say that type of resources which quantity we known​

Answer 1

Answer:

Actual Resource: Resources whose quantity is known and which are being used at present are called actual resources, e.g. coal and petroleum.

Answer 2

Answer:

Resources whose quantity is known and which are being used at present are called actual resources. On the other hand, resources whose quantity is not known and which are not being used at present are called potential resources.

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