Answer:
b is the correct answer ok bro
 
        
                    
             
        
        
        
<span>There would be
a delay between the ECG pattern and the resulting beat of the heart because it
takes time for the pulse to travel from the systole (ventricular contraction)
to the radial artery. Pulse cannot be felt in the finger. It can be felt with a
pulse oxymeter.</span>
 
        
             
        
        
        
Answer:
D, they are all the same size.
 
        
                    
             
        
        
        
Answer:
If you have been to Venice (Italy), you have seen lagoons. In fact, the world lagoon is derived from a latin word <em><u>laguna</u></em>. 
Principally, a lagoon is shallow water body which has been separated from the main water body due to sandbars, barrier islands, coral reefs,etc. However, sometimes, they includes other terms too such as bays, estuaries, sounds, or even lakes. They are of two types, i.e. Coastal Lagoons and Atoll Lagoons. In the figure attached, you can see how a lagoon looks like.