Which of the following signifies food is from an unsafe source?

The correct answer identifies a critical factor in food safety—verifying the source of food. When food is from an unapproved supplier, it poses a significant risk since these suppliers may not adhere to the required safety standards, regulations, and best practices for food handling and processing. Such food could be contaminated or unsafe for consumption, leading to foodborne illnesses.

On the other hand, factors like visual appeal, good packaging, or the presence of nutritional labels do not inherently guarantee the safety or quality of the food. Visually appealing food may very well be harmful if it comes from an unreliable or unsafe source. Well-packaged food can also be deceiving; someone may package unsafe food attractively to encourage purchases. Nutritional labels provide information about the contents and nutritional value but do not ensure that the food itself is sourced from safe practices. Therefore, the most critical aspect of food safety is verifying the legitimacy of the supplier.