Which is a case of cross-contamination? A. Bun touches surface where raw burgers were prepared. B. Food is not cooled correctly. C. Wiping cloth is tucked in the apron of a worker. D. Server sneezes on food
Cross contamination is the process by which bacteria or other microorganisms are unintentionally transferred from one substance or object to another, with harmful effect. So D. Is the correct answer.