You could drown by such a small amount of water during certain circumstances that doing stuff in or around water alone increases risk of harm. There wouldn’t be anyone that could pull you from the water, do CPR, call an ambulance, protect you and try to keep you warm.
It doesn’t matter if you’ve done it a hundred times, there is always a risk.
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:
bro.....u still have time to delete this
Explanation:
The symbol for gold is Au