What might an increased carbon dioxide level cause?
1 answer:
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Answer:
The exposure time that equals 750 is 3.4 hr
Explanation:
The given formula is:
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In the formula:
T= exposure time
x= carbon monoxide present in ppm
So, to calculate the exposure time when carbon monoxide is 750ppm, you should replace the "x" by 750.
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T=3.4hr