Answer :
Final answer:
Cross-contamination occurs when pathogens are transferred between foods or surfaces, typically facilitated by utensils or hands. The best way to prevent it is by practicing good hygiene and food safety measures.
Therefore, the correct answer is a.
Explanation:
Cross-contamination is a critical concept in health and safety, particularly related to food preparation. It occurs when pathogens are transferred from one food or surface to another, creating a risk for foodborne illnesses. This transfer can be facilitated through various carriers including utensils, hands, and other foods. Insects also play a role in spreading pathogens as vectors, but they are not the focus in the context provided.
Preventing cross-contamination involves good hygiene practices such as thoroughly washing hands, utensils, and surfaces, especially after handling raw meats or poultry and before preparing or eating other foods. Keeping foods separate and properly heating and storing them can also reduce the risk of contamination.
The correct answer to the question is 'a. other food', as that directly relates to the definition of cross-contamination within the realm of food safety and handling.