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What plants and animals make up fossil fuels?

Answer 1

The marine animals and dense forest trees make up fossil fuels when they are compressed under the soil and are exposed to a high temperature for a long period of time.

Around a million years ago, high temperatures and pressures gradually turned marine life and the trees of low-lying, dense forests into fossil fuels.

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Answer 2

Andrew Armstrong

Fossil fuels primarily consist of ancient remains of plants and marine microorganisms. Plants such as ferns and trees, and aquatic algae and bacteria, contribute to the formation of fossil fuels. Over time, these organic materials undergo geological processes, transforming into coal, oil, and 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.