Answer is: a secretary smokes a cigarette in a crowded break room.
External cost Is when consuming a good or servise imposes a cost to a third party. In this case, smoking affects other people in break room, causing pollution and health related problems.
        
             
        
        
        
Answer:
The answers would be likely be to a.) improve the environment and b.) cut costs.
 
        
                    
             
        
        
        
Answer:
Light energy is converted to chemical energy during photosynthesis.
Explanation: