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:
Technology has gotten better over the years...
Explanation:
Technology has gotten better over the years eith experience and research, Modern medicine is what it is today thanks to technology, and the people who work day and night researching and etc. People also have more access in asking for help like a phone and have nearby clinic's and hospital's.
The answer would be abstinence because you’re abstaining from doing.... it
<span>List three minerals That are significant for health?
Calcium, Chromium, Copper, Iron, Fluorine, Iodine, Magnesium, Manganese, Phosphorus, Potassium, Selenium, Silicon, Sodium, Sulfur, <span>Zinc.</span></span>
<span>The respiratory system of the body can be injured by volcanic ash that comes from a volcanic eruption. You can inhale this ash and it can get into your body and system and mess with your inner organs. I don't see how this can happen with boulders and rocks, as they are way too big to be inhaled the way ash can be.</span>
