All layers of the atmosphere contain some ozone. The Ozone Layer is contained in the bottom of the stratosphere<span> (this area is also called the </span>tropopause<span>).</span>
The answer is B. Because your concern is that Mark could be depressed and maybe thinking about suicide. Hope this helps!:)
I'm not sure if this is supposed to be a true of false question or something. plz elaborate XDD
Answer:
In a blind or blinded experiment, information which may influence the participants of the experiment is withheld until after the experiment is complete.
