A food establishment has a history of cockroach infestations. What sign of cockroach infestation might food workers notice?A. Dirt on the floorB. A strong, oily smellC. Rusty floor drain coversD. Spoiled food in the refrigerator

Step 1: Define the Problem

Identify the signs of cockroach infestation that food workers might notice in a food establishment.

Step 2: Break Down the Problem

Evaluate each option to determine if it is a common sign of cockroach infestation:

• A. Dirt on the floor
• B. A strong, oily smell
• C. Rusty floor drain covers
• D. Spoiled food in the refrigerator

Step 3: Apply Relevant Concepts

Cockroach infestations are typically identified by specific signs such as:

• A strong, oily or musty odor
• Droppings that resemble coffee grounds or black pepper
• Shed skins or egg cases

Step 4: Analysis, Verify and Summarize

• A. Dirt on the floor: Not specific to cockroaches.
• B. A strong, oily smell: Common sign of cockroach infestation.
• C. Rusty floor drain covers: Not specific to cockroaches.
• D. Spoiled food in the refrigerator: Not specific to cockroaches.

Final Answer

B. A strong, oily smell is a sign of cockroach infestation that food workers might notice.