Physics, asked by Santunuprakash, 8 months ago

What is coal?
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Answers

Answered by adityachaudhari38
1

Answer:

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

Explanation:

Hope it helps you please give me brainlest answer

Answered by Natureangel
1

Answer:

Coal was the first fuel to be used in machines on a large-scale.

So mines where dug to take out the cole as the demand for coal went on increasing man capt on digging dipper and deeper.

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