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प्रश्न
Coal is a ______ solid stratified rock of organic and mineral matter.
पर्याय
combustible
non-combustible
renewable
None of the above
MCQ
रिकाम्या जागा भरा
उत्तर
Coal is a combustible solid stratified rock of organic and mineral matter.
Explanation:
Coal is a combustible solid stratified rock made up of organic and mineral matter, used as a fuel source for energy production.
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