Answer:
25 micrograms per cubic meter
Explanation:
Pulmonary veins are responsible for carrying oxygenated blood from the lungs back to the left atrium of the heart.
The correct answer is A.
She is being honest and direct in this response to a difficult situation. By responding in this way she is letting her friends know exactly how she feels about the situation without being angry or harsh or mean, just direct. With any luck her friends will now understand and stop pressurizing her.
never would be but if it does occur it would be rarely
