Assumptions: there is an expected waste problems will still occur from time to time he also increasing exponentially, Mie. Because this problem is caused by bad habits of our visitors find something else.
Hypothesis: The waste in question is expected to remain in place indefinitely. Besides multiplied into another. This issue is caused by habits of visitors, not anything else.
Hypothesis: there has been junk is a problem here will still happen gradually. Furthermore, it multiplied in again. Because this problem is caused by the habit of visitors is not something else.