The correct answer is: A.<span>careless, because he shared a confidential ID number</span>
When you get a vaccine it injects a controlled amount of the illness into you, so the immune system can build up an immunity. The memory cells come into play when the illness comes back.
Answer:
idk what hes eating so id just go with b? sorry if its wrong
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Attention to detail and timeliness are important skills for this.
