Multiple Choice
What human health effect is related to CO levels of 100 ppm or less in the bloodstream?
A) Humans might develop a headache and have losses in vision and judgment.
B) There is no noticeable health effect.
C) The human bloodstream is unaffected.
D) Carbon monoxide can cause lower limb paralysis.
Correct Answer:

Verified
Correct Answer:
Verified
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