Before revision: alt=Volcanic ash streams out in an elongated fan shape as it is dispersed into the atmosphere.|Ash cloud from the 2008 eruption of Chaitén volcano, Chile, stretching across Patagonia from the Pacific to the Atlantic Ocean Ash plume rising from Eyjafjallajökull on April 17, 2010 Volcanic ash deposits on a parked McDonnell Douglas DC-10-30 during the 1991 eruption of Mount Pinatubo.
After revision: eating volcanic ash is good for ualt=Volcanic ash streams out in an elongated fan shape as it is dispersed into the atmosphere.|Ash cloud from the 2008 eruption of Chaitén volcano, Chile, stretching across Patagonia from the Pacific to the Atlantic Ocean Ash plume rising from Eyjafjallajökull on April 17, 2010 Volcanic ash deposits on a parked McDonnell Douglas DC-10-30 during the 1991 eruption of Mount Pinatubo.