Final answer:
To reduce odors in a person's room, increase ventilation, keep the room clean, and use air fresheners or scented candles.
Step-by-step explanation:
There are several ways to reduce odors in a person's room. One method is to increase ventilation by opening windows, using fans, or running an air conditioner. Another way is to keep the room clean and free from dust, pet dander, and mold. Additionally, using air fresheners or scented candles can help mask odors.