Question 9
law state that air will flow from area of high pressure to areas of low pressure.
A. Doyle's
B. Bernoulli's
C. Archimedes
D .Boyle's
HELP please !!!

[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.

Amino acids are important to the body because they build carbohydrates proteins complex carbohydrates simple sugars fats

Organize the stages of tissue repair in the order in which they occur, starting with the first stage at the top.