Answer:
we can determine the velocity of a wave when given the frequency along with the wavelength.
Explanation:
velocity = frequency × its wavelength
 
        
             
        
        
        
The organ that has all of those parts is the human eye.
        
             
        
        
        
The whole body works together, as a “team.”If one of the parts of the body won’t work together as a team, everything will get messed up. The stomach muscles churn and mix the food with digestive juices that have acids and enzymes, breaking it into much smaller, digestible pieces. An acidic environment is needed for the digestion that takes place in the stomach.