Explanation:
Amino acid is made of an Amino group , a Carboxyl group And an R group . there is also an additional H there .
 
        
                    
             
        
        
        
Answer:
b-short-term environmental change
Explanation:
this natural change/flooding is a short environmental change because it last a short period of time.
 
        
                    
             
        
        
        
Ventricular tachycardia or fibrillation is the answer. It is a fast heart rhythm that would begin in the ventricles. It usually has more than 100 beats per minute along with 3 irregular heartbeats in a row.They are the 2 chambers of the heart which are found in the lower part.
        
                    
             
        
        
        
The reason why the coin falls to the bottom of the glass is because gravity pulls it down