Why? what is this question
Answer:
Read these
Explanation:
Standardized Testing:
I believe that the credibility of standardized tests is depleting every day, either because they are overly advanced for the grade-level, or very "easy" and quick to finish.
Social Media:
I believe every child should be using at least one outlet of social media because it can increase knowledge, increase morale, or even entertain somebody! This could be useful in some cases of depression, or if you just want to get good laugh in before your next class.
Answer:
I believe it is diminishes.
Explanation:
Diminishes means to make smaller, to become smaller, or to lessen the authority or dignity of; to put down; to degrade; to abase; to weaken; to nerf (in gaming).
It may be softens, though, so apologies if I am incorrect.