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Sunlight, wind, waves are the most prominent.
no coal is not an inexhaustible resource
Inexhaustible is a synonym of "limitless," with regards to items and supplies. An example of a sentence using the word "inexhaustible" is "The Roman army's supply of salt was seemingly inexhaustible. "
inexhaustible and renewable
The Inexhaustible Cab was created in 1901.