Eye,nose,and throat irritations are most likely the result of which of the following sources of indoor air pollution?

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Eye, nose, and throat irritations are common symptoms of exposure to formaldehyde gas, which is commonly found in building materials and furniture. Radon is a radioactive gas that can cause lung cancer and has no immediate symptoms. Combustion by-products, such as carbon monoxide, can cause headaches, dizziness, and nausea. Biologic pollutants, such as mold and pollen, can cause respiratory symptoms but are less likely to cause eye, nose, and throat irritations.

Eye,nose,and Throat Irritations Are Most Likely the Result of Which