Thanks to advances in oral care and hygiene among children, what percentage of children ages 6 to 11 years old have untreated cavities in the United States?

A drug that is unlawful to possess or use is defined in the text as

A. an illicit drug. B. a narcotic. C. an addictive drug. D. an abused drug.

Which of the following two provinces in Canada have been found to exhibit better mental health and less distress?

a) Prince Edward Island and Newfoundland b) Quebec and New Brunswick c) Alberta and Saskatchewan d) British Columbia and Ontario