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How does coal differ from oil?

Answer 1

coal is a solid fuel.It can not be used internal combustion engines.

COal contain lot of ash.So waste disposal is a huge problem
Being solid transporting coal is ore difficult coal p[produce more pollution due to its ash contents..,. OIl have more calorific value and is easy to transport. Production of oil is easy.But mining coal is more difficult hazardous process.

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Answer 2

Jose Arroyo

Coal is a solid fossil fuel formed from plant remains. It is extracted through mining and is primarily used for electricity generation and industrial processes. Oil, on the other hand, is a liquid fossil fuel composed of hydrocarbons. It is extracted from underground reservoirs and is used primarily for transportation, heating, and electricity generation. Coal and oil differ in their physical state, composition, extraction methods, and primary uses.

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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.