Here's a thought: why does your ranking keep going down? i think the reason why the ranks keep going down is because the app makes you lose points when you ask a question. for example, it you offer 10 points for a question than ten of your points will go away. try it for yourself. do you think i'm right?

Which of the following best describe how the depth-limited search works. a normal depth-first search is performed but the number of ply/depths is limited. a normal breadth-first search is performed but the number of ply/depths is limited. a normal breadth-first search is performed but values above a specific value will be ignored. a normal depth-first search is performed but values above a specific value will be ignored.