<prompt> Red velvety appearance of stomach is seen in the poisoning ofLeadArsenicCopperMercury  <response>: Black foot disease :Chronic exposure of arsenic causef varosparm and peripheral varcular infufficiency.Dry gangrene and spotaneous amputations of affected extremitier.Red velvety stomach mucosaStrawberry stomach arsenic poisonig.Blue linking on gems - leadBustonian line.Tremors - Mercuryintertional tremors.Anemia - leadmicrocytic hypochromic anemia. 