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Grease marks at the floor/wall junction are a sign of a:

A. Rat infestation.
B. Cockroach infestation.
C. Snake infestation.

Answer :

Final answer:

Grease marks at the floor/wall junction are indicative of a cockroach infestation, as they leave these distinctive marks while searching for food. While other pests like rats cause different types of damage, cockroaches are recognized by their greasy trails. Effective prevention and control measures include trapping and appropriate insecticides.


Explanation:

Understanding Grease Marks at the Floor/Wall Junction

Grease marks found at the junction of walls and floors are typically a sign of a cockroach infestation. Cockroaches leave behind these marks as they travel along surfaces, particularly in search of food and water. This behavior creates a smudge or stain that can be identified when cleaning floors and walls. Unlike rats, which create gnawing marks or leave droppings, cockroaches are more notorious for their greasy tracks, which can also attract other pests like rodents if left unchecked.

Identifying Pests

  • Rat infestation: Look for droppings and gnaw marks.
  • Cockroach infestation: Notice greasy marks and discarded exoskeletons.
  • Snake infestation: More about sealing up entry points and less about leaving visible traces.

Preventative Measures

To combat a cockroach problem, using yellow sticky boards smeared with grease can be effective in trapping them, or utilizing registered insecticides can help in extermination.


Learn more about Pest Identification here:

https://brainly.com/question/43618375


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