The correct answers are:
sin(D) = 24/25
tan(D) = 24/7
sin (E) = 7/25
        
                    
             
        
        
        
The answer is A. a light wave
C and D both need water as a medium and sound needs air to vibrate in order to travel. light, on the other hand, does not need a medium
        
                    
             
        
        
        
Answer:
Cardiac Muscle
Explanation:
Your heart is a cardiac muscle so, any muscle related to the heart is a cardiac muscle.
 
        
             
        
        
        
Pi and sigma bonds
Pi is double bonds and sigma is single bonds
        
                    
             
        
        
        
The right answer is: C) Iruptive Growth. For their growth is never stable.