Explain the infield fly rule in baseball.

[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.

Make a prediction about that person’s wellness and justify your prediction using two or more complete sentences.

{20 points} hello. for my p.e. class i need to interview people about at health and wellness. so answer the questions below. interviewee name: age: gender: job: date and time of interview: 1. what are some major health concerns that you have? 2. are there ways that you know you can monitor and prevent these health concerns (or other concerns like obesity)? 3. how do family members influence your health? if you need to find out more about a specific health issue, what do you do? be specific. (don’t let them say “look on the internet”, because we have already learned that not everything on the internet is reliable! they should tell you a specific site if they use the internet as a source.) 4. what do you think is the biggest health concern facing our country? 5. what are some things that you do to monitor your health? 6. how would you get the word out about this major health concern? 7. how do you think the media influences what concerns we have for our health? 8. what are some future goals involving your health and well being? 9. why is it important to monitor your health, specifically to you? 10. and what influences you stay healthy?