Answer:
First aid is a first help given to an injured person
And first aider is a person who gives first aid
Explanation:
<h2>
<em><u>I </u></em><em><u>hope</u></em><em><u> that</u></em><em><u> helps</u></em><em><u> you</u></em><em><u> and</u></em><em><u> please</u></em><em><u> mark</u></em><em><u> my</u></em><em><u> answer</u></em><em><u> as</u></em><em><u> the</u></em><em><u> brainliast</u></em><em><u> </u></em><em><u>answer.</u></em><em><u>i</u></em><em><u>t</u></em><em><u> </u></em><em><u>would</u></em><em><u> be</u></em><em><u> an</u></em><em><u> honor</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em></h2>
Body language, because she didn't say a word, but used parts of her body to communicate her feeling towards what she said.
The answer is B
•Hopes this helps...tell me if it's wrong!
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.
