Answer:
Fossils are usually defined as the remnants of the ancient flora and fauna that were buried millions of years ago, transforming into essential resources. These are considered to be non-renewable resources because it cannot be regenerated in a very short span of time. For the formation of fossils, it takes thousands and millions of years. Some of the non-renewable resources that are formed from the fossils are coal, petroleum, crude oil, and natural gas.
Thus, fossil fuels are considered as non-renewable resources.