What do keeping environments clean, avoiding cross-contamination, cooking foods thoroughly, and chilling perishable foods have in common?
O They are all food safety regulations that are enforced by the U. S. government.
O They help people learn how to cook safely at home, but do not apply to restaurants.
O They help people practice safe food handling by reducing the risk of foodborne disease.
They do not have anything in common because they are separate principles of food safety.