Why might a scientist use a simulation in a controlled experiment? a. to observe a 1,000-year process in a single day b. to have fun while only appearing to do meaningful work c. to replace a costly experiment with something cheaper d. to avoid having to record observations by hand

The need activity of the nurse is to suction discharges from the trachea. current treatment approaches in the pressing consideration facilities or crisis offices are corticosteroids and nebulized epinephrine; steroids have demonstrated advantageous in extreme, direct, and even gentle croup. in the clear instances of croup, anti-microbials are not endorsed, as the etiology is viral