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inexhaustible refers to “anything that exists in enormous quantities and will never be exhausted,” whereas exhaustible refers to “something that can be utilized completely, leaving nothing behind.”

 Exhaustible resources are those that can be depleted or exhausted due to their limited availability. Coal and fossil fuels are examples of exhaustible resources. When most of these resources are depleted, they are difficult to replace or take a long time to replace.

On the other hand, inexhaustible resources are resources that cannot be exhausted or depleted since they are abundant and limitless. Wind and sunshine (solar) are two examples.Humans will not be able to deplete the endless resources. These resources are also inexhaustible because they can be easily replenished over time.