The answer is source B because it has a listed author who is an expert and it is the governments organization website which are more reliable that a .com website. Source A does not even list the author so you do not know who wrote it could be anyone.
Answer:
I don't
Explanation:
But you can answer that question on google
what exactly are you asking here that seems to be a statment
All of them do and sadly always will ?!
The rhythmic sequence at which your heart beats is called a sinus rhythm, it is when the atria and ventricles of the heart contract.
