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What is the maximum permissible blood alcohol concentration (BAC) for drivers under the age of 21 in Ontario?

  1. 0.00%

  2. 0.02%

  3. 0.05%

  4. 0.08%

The correct answer is: 0.00%

Drivers under the age of 21 in Ontario are not allowed to have any alcohol in their system while operating a vehicle. This is because they are not legally allowed to consume alcohol until they reach the age of 21, making any blood alcohol concentration (BAC) above 0.00% illegal. Alcohol can impair a person's ability to operate a vehicle safely, and it is particularly dangerous for young and inexperienced drivers to consume any amount of alcohol while behind the wheel. Option B (0.02%) and option C (0.05%) are incorrect as they represent legal BAC limits for drivers above the age of 21 in some provinces, but not in Ontario. Option D (0.08%) is the legal limit for drivers over the age of 21 in Ontario, but it does not apply to those under the age of 21. Therefore, the correct answer is option