Adults need at least 1 hour and 30 minutes of vigorous-intensity

If birth rates fall below the replacement level, then a country is in which stage of demographic transition? a. urbanization/industrialization b. mature industrial c. postindustrial d. pre-modern

Fill in blank, what term refers to a thorough scrutiny of work performance, teamwork, coordination, appearance, attendance, discipline, and adherence to workplace protocol during a specific period? a is a thorough scrutiny of work performance, teamwork, coordination, appearance, attendance, discipline, and adherence to workplace protocol during a specific period.

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.