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B) 0.8 because it has the same effects

One joint of marijuana impairs a person more than having a blood alcohol content of 0.1%.

What do you mean by joint?

  • "It is a rolled cannabis cigarette."

What is marijuana?

  • It is drug obtained from Cannabis plant.
  • It is used in many medicines and can be used as a recreational drugs.
  • It can increase heart rate, cause anxiety and hallucinations.

What do you mean by blood alcohol content?

  • "Blood Alcohol Content (BAC) is a measure of alcohol in the blood as a percentage."
  • BAC of 0.1% means that your blood has 0.1% alcohol by volume.
  • One joint of marijuana can cause great harm than 0.1% of alcohol.

Hence, the correct answer is C. 0.1%.

To know more about marijuana here

https://brainly.com/question/13027068

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