What are some effective ways to eliminate bad odors in a room?

There are several effective ways to eliminate bad odors in a room. Some methods include using air fresheners, opening Windows for ventilation, using baking soda or activated charcoal to absorb odors, cleaning surfaces with vinegar or lemon juice, and using essential oils in a diffuser. Additionally, regularly cleaning and removing sources of odors can help prevent them from lingering in the room.