You are alone and have identified an adult who is not responsive. You have called 911 and begun chest compressions. What is the next step in CPR? A. Go get help

B. Determine if an AED is available

C. Cover the adult with a blanket

D. Wait five minutes

I’m are the types of asexual reproduction

Factors influencing fitness, health, and wellness over which you have little control

[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.