वे संसाधन जो किसी क्षेत्र में मौजूद हैं, लेकिन उनका उपयोग नहीं किया गया है, कहलाते हैं:

Non-renewable resources are formed over __________ time scales.

Which of the following is an example of an actual resource?

Resources whose quantity and quality are surveyed and determined for utilization are known as: