Question

what is coal , fuel and petroleum ? explain briefly​

Answer 1

Explanation:

Fossil fuels

Exhaustible natural resources like coal, petroleum and natural gas were formed from the dead remains of living organism (fossils). So, these are called fossil fuels. Coal and petroleum are very important natural resources and play a vital role in modem society. They are found in the earth's crust.

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Answer 2

Answer:

$\blue{coal}$

Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. ... Some iron and steel making and other industrial processes burn coal.

$\blue{fuel}$

A fuel is any material that can be made to react with other substances so that it releases energy as heat energy or to be used for work. ... Hydrocarbons and related oxygen-containing molecules are by far the most common source of fuel used by humans, but other substances, including radioactive metals, are also utilized.

$\blue{petroleum}$

Petroleum is a naturally occurring, yellowish-black liquid found in geological formations beneath the Earth's surface. It is commonly refined into various types of fuels