respirable air is
a) oxygen
b) nitrogen
c) carbondioxide
d) argon
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4
Answer:
Fit for breathing: respirable air.
Having characteristics, especially small size, that result in deposition in the lungs after inhalation: respirable particles.
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(A) oxygen
Respirable means fit for breathing also capable of being taken in by breathing.
Respirable means fit for breathing also capable of being taken in by breathing.
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