Can slow reaction rate, increase temper and can make it harder to concentrate.
A possible answer could be the quality of air being inhaled
The Right-To-Know law or the Hazard Communication Standard is a Federal law that gives people the right to know about the chemicals they may be exposed to in the workplace, and the dangers these chemicals may present.
C. A 50% oxygen saturation level of blood returning to the lungs might indicate an activity level higher than normal.
