Answer: probably all of them
Explanation:
Positive
A cell that is more positive and less negative is depolarized.
Answer: When your vocal cords produce a louder sound, it is known that the vibrating vocal cords produce sound waves.
Explanation:
Answer:
D
Explanation:
The point of hands only CPR is to make it easier on those with a lack of training a give them a way to give care to someone who needs it even if they do not know how to, the point is that if you are not in sports med or EMT training then you will at least be able to help if no one else is around, otherwise use an AED
