Question: You are presented with the question "what has a negative impact on the respiratory system?" and the following answer choices: - harmful substances - water-damaged carpets - a pathogens - lungs - density - oxygen - Something that causes allergies - some viruses Now knowing that amold spore has a negative impact on the respiratory system and molds and spores thrive in water-damaged furniture and carpets, choose the best answer.
Answer:
water-damaged carpets