Answer:
O the BAC nears the LD50 of ethyl alcohol
Explanation:
Alcohol content in the blood stream is measured with a breathalyzer and is known as the standard, BAC, short for blood alcohol content. There are different different levels of BAC that can have different effects on consumers of alcohol.
Level 0.40 is generally recognized as the lethal dose that affects 50% of adult humans. At this stage, the consumer falls into a state of unconsciousness or coma, and possibly, death.
Answer: warning you must slow to 30 mph
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