How can a school most effectively raise awareness of bike-helmet safety? by holding a bike-helmetâ€""awareness event by hosting a talk about bike helmets at a retirement home by expelling students who do not wear bike helmets by encouraging students to walk instead of riding bikes.

How can a driver best determine the safest speed to drive?

Does the weight loss program have practical significance? a. no, the program is not practically significant because the results are likely to occur even if the weight loss program has no effect. b. yes, the program is practically significant because the results are too unlikely to occur by chance. c. yes, the program is practically significant because the amount of lost weight is large enough to be considered practically significant. d. no, the program is not practically significant because the amount of weight lost is trivial.

Why girls are tan and why they fake tan