Which item or items may contribute to asthma nitrogen oxide carbon monoxide oxygen and particle matter nitrogen oxygen and carbon monoxide

carbon monoxide is poisonous to humans and will definitely contribute to the severity of a person's asthma. Particle matter can range from smoke from cigarettes, to pollen; it can cause asthma.

Explanation:

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the answer is: race, color, gender, age, and sexual orientation.

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if you think your dog may have been exposed to a toxin, the best thing to do is to check the label of the item you think your pet ingested. read the information about toxicity. often, but not always, the information on packaging regarding children is relevant to dogs and some manufacturers even discuss dog toxicity. if there is an 800 number on the package – call them! it’s also recommended that you call your veterinarian to confirm the recommendations. if you go to your veterinarian, take all packaging and any information you have on the product.