Which of the following is a sign of a rodent infestation?

A. A strong, oily odor
B. Dirt tracks along walls
C. Capsule-shaped egg cases
D. Droppings that look like grains of black pepper



Answer :

Final answer:

Droppings that resemble grains of black pepper and gnaw marks indicating rodents are signs of infestation.


Explanation:

Droppings that look like grains of black pepper are a sign of a rodent infestation. These droppings are a common indicator of the presence of rodents like rats and mice. Rodents gnaw on items, including bones, leaving sets of parallel grooves that can also signal their presence.


Learn more about Rodent infestation indicators here:

https://brainly.com/question/37862485