Question

Coal and petroleum short notes.​

Answer 1

Coal and petroleum are formed as a result of degradation of ancient plant life which lived millions of years ago. ... Over time, heat and pressure from geological processes transformed these materials into coal. Since these are formed from essentially fossils, they are also known as fossil fuels

Answer 2

ǫᴜᴇsᴛɪᴏɴ →

Coal and petroleum short notes.

ᴀɴsᴡᴇʀ →

Coal

Coal is a hard rock which can be burned as a solid fossil fuel. It is mostly carbon but also contains hydrogen, sulphur, oxygen and nitrogen. It is a sedimentary rock formed from peat, by the pressure of rocks laid down later on top.

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Petroleum

Petroleum is a naturally occurring liquid found beneath the earth's surface that can be refined into fuel. Petroleum is a fossil fuel, meaning that it has been created by the decomposition of organic matter over millions of years.

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