Answer:
c
Explanation:
 The others are describing things that it helps with and it dosent affect the way the muscles work.
 
        
                    
             
        
        
        
A. Marijuana is legal for anyone over the age of 18. In the state of California along with Washington, New York, Oregon, and Nevada all have an 18+ restriction.
        
             
        
        
        
Changes in color and smell.
        
             
        
        
        
Options? I don't want to guess and give you the wrong answer
        
                    
             
        
        
        
Answer:
A mechanical wave is a wave that is not capable of transmitting its energy through a vacuum.
Explanation: