7. Write any two advantages of drill. 8. Write the technique of Mark Time. 9. What is the technique of halt? 10. Write the process of right turn.

Which term defines when one person tries to control another in a relationship? a) dating violenceb) consequencec)limitd) abstinence me plzz : (

Describe how the above factors create barriers for maintaining your mental and emotional health what barriers do they create

[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.