contestada

Flow of air____________.
a. directly proportional to the resistance, and flow decreases as the pressure of the system increases.
b. is directly proportional to the resistance, and flow increases as the resistance of the system increases.
c. is directly proportional to a pressure gradient, and flow increases as the resistance of the system increases.
d. None of the answers are correct.
e. is directly proportional to a pressure gradient, and flow decreases as the resistance of the system increases.