Cold air usually pushes warm air because cold air has a HIGHER DENSITY
        
             
        
        
        
Answer:
Adjust your day-to-day behaviors. To reduce energy consumption in your home, you do not necessarily need to go out and purchase energy efficient products. ...
Replace your light bulbs. ...
Use smart power strips. ...
Install a programmable or smart thermostat. ...
Purchase energy efficient appliances.
 
        
             
        
        
        
C is correct i believe i think all the others are wrong but im not entirely sure 
 
        
                    
             
        
        
        
That answer would be hypothesis