Final answer:
The maximum distance sneeze guards can be located from the self-service counter to protect food from contamination is 14 inches, to effectively block contaminants.
Step-by-step explanation:
The maximum distance sneeze guards can be located from the self-service counter to protect food from contamination is 14 inches, to effectively block contaminants. You're asking about the proper positioning of sneeze guards at a self-service counter to minimize the risk of food contamination. The maximum distance that sneeze guards can be located from the self-service counter is 14 inches (Option D). This is to ensure that they are effective in blocking potential contaminants from sneezes, coughs, and other sources of contamination. By keeping the sneeze guards within this range, the food is better protected and public health standards are maintained.