Answer: Double blind clinical trial
Explanation:
The situation that is seen here is double blind clinical trail in which neither the participant nor the practitioner knows who is receiving the treatment.
This is used to prevent biasing in the experiment which is caused due to demand characteristics or placebo effect.
Here, in this situation the dog handlers and the experimental observer both were blinded to identify the breath sample.
Answer:if I was you I would try and calm down take a few deep breaths and go for a short walk or something to try and keep your mind off of what's bothering you. Sometimes you just have to take a break because whatever is making your mental health bad could get worse if you dont try to talk to someone about it or try and clear your mind if it's your thoughts...
Explanation:
Which emergency can be treated using the Heimlich maneuver?
shock
stroke
choking: (Choking is the answer)
burns