Betty is a professional high diver and takes a vacation to a beach she has not visited before. while there, she notices a tall cliff, which she thinks would make an excellent place to practice her diving. which of the following statements about this situation is false? a. it would be safer for betty to practice at home since she is unfamiliar with the area. b. it would be perfectly safe for betty to swim around and make sure the water is deep enough. if she finds that it is, the cliff could be a good place to practice. c. betty could check in town to see if there are any group tours that include supervised cliff diving, instead of diving alone. d. betty could do some research about the area and see if it is a common cliff for diving. if she finds that it is safe, she could then plan another trip with a group of fellow divers to practice at the cliff.
Answers: 1
Health, 22.06.2019 15:20
[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine.what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.
Answers: 2
Health, 23.06.2019 08:00
Aproper cool-down routine includes which of the following? a). eating a good-sized meal b. five to 10 minutes of slow walking or jogging and stretching c). less than 5 minutes of cool-down stretches d). sprinting or other strenuous exercise
Answers: 1
Betty is a professional high diver and takes a vacation to a beach she has not visited before. while...
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