what is coal??? Subsribe please
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ᴄᴏᴀʟ ɪs ᴀ ᴄᴏᴍʙᴜsᴛɪʙʟᴇ ʙʟᴀᴄᴋ ᴏʀ ʙʀᴏᴡɴɪsʜ-ʙʟᴀᴄᴋ sᴇᴅɪᴍᴇɴᴛᴀʀʏ ʀᴏᴄᴋ ᴡɪᴛʜ ᴀ ʜɪɢʜ ᴀᴍᴏᴜɴᴛ ᴏғ ᴄᴀʀʙᴏɴ ᴀɴᴅ ʜʏᴅʀᴏᴄᴀʀʙᴏɴs. ᴄᴏᴀʟ ɪs ᴄʟᴀssɪғɪᴇᴅ ᴀs ᴀ ɴᴏɴʀᴇɴᴇᴡᴀʙʟᴇ ᴇɴᴇʀɢʏ sᴏᴜʀᴄᴇ ʙᴇᴄᴀᴜsᴇ ɪᴛ ᴛᴀᴋᴇs ᴍɪʟʟɪᴏɴs ᴏғ ʏᴇᴀʀs ᴛᴏ ғᴏʀᴍ.
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Coal is a combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons.
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