The Kinetic energy is 345,600 J
=1/2^2
        
             
        
        
        
Nutrients enter a cell up the concentration gradient by the process of active transport.
        
                    
             
        
        
        
Answer:
B
Explanation:
Low-pitched sounds don't vibrate a lot and their wavelengths are farther apart meaning the tops of the wave will be farther.
Also, this isn't a biology question. Have a good day.
 
        
             
        
        
        
Lead I believe would be the heaviest because gold is relatively light