Why are fossil fuels considered a nonrenewable resource

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.

Because their use is not sustainable because their formation takes billions of years to renew them