Yeah, i dont have to read that link to know it's garbage. Guess what the concentration of coal is when mined. Clue: 100. Guess the concentration of metal in

Yeah, i dont have to read that link to know it's garbage. Guess what the concentration of coal is when mined. Clue: 100. Guess the concentration of metal in ores when mined.... Please don't be misled by these types of fallacious arguments.