Wha5 is th meaning of impicity

Ineed on this app i was at ambitious but then all of the sudden i got put back to about 30 points. is there something i can do about this, because i lost all of my progress in this app.

What happens to lovers when there are decreased levels of serotonin in the brain?

How was don quixote different from the literature before it? how did it signal a change in the history of literature? your answer should contain at least one hundred words.