Given the following passage  "Wood has a long history of being used as fuel, which continues to this day, mostly in rural areas of the world. Hardwood is preferred over softwood because it creates less smoke and burns longer. Adding a woodstove or fireplace to a home is often felt to add ambiance and warmth.",  answer the following question. Note that the answer is present within the text.  Question: Burning wood results in?
Answer:
ambiance and warmth