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| 1. |
Coal is formed from |
| Answer» <html><body><p> Compressed and hardened biomass</p><br/><br/><p>Coal is <a href="https://interviewquestions.tuteehub.com/tag/mostly-7382870" style="font-weight:bold;" target="_blank" title="Click to know more about MOSTLY">MOSTLY</a> carbon with variable amounts of other elements; <a href="https://interviewquestions.tuteehub.com/tag/chiefly-418078" style="font-weight:bold;" target="_blank" title="Click to know more about CHIEFLY">CHIEFLY</a> <a href="https://interviewquestions.tuteehub.com/tag/hydrogen-22331" style="font-weight:bold;" target="_blank" title="Click to know more about HYDROGEN">HYDROGEN</a>, sulphur, oxygen, and nitrogen. Coal is formed when dead plant matter decays into <a href="https://interviewquestions.tuteehub.com/tag/peat-1149642" style="font-weight:bold;" target="_blank" title="Click to know more about PEAT">PEAT</a> and is converted into coal by the heat and pressure of <a href="https://interviewquestions.tuteehub.com/tag/deep-435979" style="font-weight:bold;" target="_blank" title="Click to know more about DEEP">DEEP</a> burial over millions of years.</p></body></html> | |