Answer:
The answer is B: 12-18.
Step-by-step explanation:
The respiratory rate, that is, the number of times that air comes out of the lungs in a minute, is between 12-18, when the breath is below 12 it is called bradypnea and when it is above 18, it is known as tachypnea; Keep in mind that newborns have high respiratory rates of 30-40 breaths per minute and is considered normal.