Answer:
b
Explanation:
I like b better I don't know
Once you get chickenpox, then only after a long period you will get it again. this is because your immune system knows how to respond to the pathogen the second time. so even though you get it, it won't as severe as the first time.
Mammogram is the most common diagnostic test for breast cancer.
When you are alone with an adult man who is chocking and another person has gone to get more help. You are performing abdominal thrust when the patient suddenly collapses. The next thing that you should is to perform cardio pulmonary resuscitation (CPR) on the patient and make sure you check the mouth for any object before the rescue breath.