Changes in Accounts Receivable Turnover Ratio. If your turnover ratio is decreasing, this means that your average collections are taking longer. The reverse is true if you turnover in days is decreasing; this means that your average collection period is decreasing also.hanges in Accounts Receivable Turnover Ratio. If your turnover ratio is decreasing, this means that your average collections are taking longer. The reverse is true if you turnover in days is decreasing; this means that your average collection period is decreasing also.
Mountain building. Orogeny is the process of mountain building, and may be studied as a tectonic structural event, as a geographical event and a chronological event, in that orogenic events cause distinctive structural phenomena and related tectonic activity, affect certain regions of rocks and crust and happen within a time frame.
Key Topics. The Mountains Go Up  Mountain Building. To understand the formation of the Rockies, we need to understand Plate Tectonics. According to this theory, the surface of the Earth is made up of a series of plates, each of which move relative to the others. At one time, all the continents were joined into one large land mass known as Pangea.