Which among the following is most likely to learn to speak a new language just as fluently as a native speaker? a. 10 months
b. 10 years
c. a very motivated adult
d. a) and b) are both correct
e. a) and b) and c) are all correct

Marijuana is an example of a(n) drug

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.

Which finger should not be used when measuring heart rate?