What is the legal limit on bac for a person over 21 driving? how many ounces are in a standard drink of liquor?

0.08% ; 0.02%

Explanation:

Within the United States of America the legal limit on Blood Alcohol Concentration for someone over the age of 21 is that of 0.08%. Since drinking under the age of 21 is illegal in the united states, it is illegal for someone under the age of 21 to be more than 0% with some states widening the gap to 0.02%. One 12 Oz. beer, or 5 Oz. of wine, or 1 1/4 Oz. of 80 proof spirits, all contain approximately 1/2 Oz. of pure ethyl alcohol, which will normally raise your BAC (depending on individual weight and size) by 0.02%

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.

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