Answer:
to show normal shmoo formation under the experimental conditions
I'm pretty sure the answer is B have a nice day
Photochemical smog results from automobile pollutants reacting with ultraviolet light from the sun. <span>Nitrogen oxides released from the automobile are introduced into the atmosphere reacts with sunlight to produce singular oxygen atoms. Oxygen atoms then combine with molecular oxygen to produce ozone which is one of the components of photochemical smog.</span>
The answer in the given choices above is tranquilizers, it
is because valium is a tranquilizer in which another example of this is also
xanax. Tranquilizers have the ability of inducing relaxation and to reduce
anxiety when injected to the person.