Respuesta :
Allergens are irritants that evoke an immune response. Carpeting is not a common allergen. Thus, option c is correct.
What are allergens?
Allergens are substances that act as an irritant and elicit the immune system, as they result in allergic reactions. They can come from many sources and can be dangerous and life-threatening for some organisms.
The most common allergens are pollen, dust, fungal spores (mold), foods, drugs, insect bites, metals, etc. Carpeting is not a common allergen source as it may have dust but is rare.
Therefore, option c. carpeting is not a common allergen.
Learn more about allergen here:
https://brainly.com/question/19234372
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