Mary knocks down 8 pins on the 1st delivery and scores a spare on the 2nd one ed knocks down 8 pins om the first delivery and 1 pin on the 2nd delivery a, 26,27 b, 25, 28 c, 27, 26 d, 28,25

[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.

What should you sprinkle on cut fruits to slow the browning process? a. oil b. lemon juice or acids c. salt d. melted butter

Which of the following is not a fitness benefit of cycling a: very effective at burning fat b: provides an upper body workout c: provides an aerobic workout d: good exercise for out of shape people