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How do fossils fuels form?

Answer 1

Different kinds of fossil fuels — coals, oils, and natural gases — formed as dead plants and animals decayed.

Carbon is the element that forms the basis of all organic matter on Earth, which is why scientists refer to such remnants as "organic matter."

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Answer 2

Eleanor Apodaca

Fossil fuels form from the remains of plants and animals that lived millions of years ago. These remains are buried under layers of sediment, where they undergo chemical and physical changes due to pressure and heat. Over time, this process converts the organic matter into coal, oil, or natural gas.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.