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> Volcanoes like Mount St Helens explode with huge amounts of pressure, making the added concrete a danger to health as it is easily scattered around. "The dust from concrete," YouTube channel What If notes, "would lead to fatal lung diseases and cancer."

Whereas volcanic ash and gas (released in large amounts) is safe to breathe? \s



Would you rather have X amount of carcinogenic material in the air, or X+Y where Y>0?




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