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.
1. protein
2. essential amino acids
3. complete proteins
4. incomplete proteins
Drinking one standard drink will increase your BAC by about 0.2.
B) it helps you serve others which makes you feel good
Answer:
Angioplasty is used to open narrowed arteries and increase oxygen-rich blood flow to muscle and tissue.
