It just got blowed or you can say get mixed in the air around you. You can see tiny pieces of ash while buring paper or wood. And that's exactly your answer. 
 
        
             
        
        
        
The nurse should advise the mother that flaring nostrils (alar flaring) is one of the symptoms that point out to a potential respiratory distress, and is one of the criteria in assessing the severity of pneumonia in pediatric age groups. The nurse should advise the mother to have her child checked by a pediatrician.
        
             
        
        
        
Answer:
An air mass that is warm, moist, and usually unstable. 
Explanation: