Varying between 0 to 100mm per year, the movement of a plate is driven by convection in the underlying hot and viscous mantle. Earthquakes, volcanic activity, mountain-building, and oceanic trench formation occur along plate boundaries in zones that may be anything from a few kilometres to a few hundred kilometres wide. To watch a simulated fly-by along New Zealand's plate boundary check out this video.
The average business card size in cm (centimeters) is 8.9 x 5.1. In inches this is 3.5 x 2. In millimeters (mm) the size will be 88.9 x 50.8. Measurements are usually given in inches or millimeters.
The following reference lists the regular business card dimensions in metric, inches and pixel sizes for countries across the world and also for some of the most popular online business card printers, who incidentally, use their own unique measurements to reduce the costs involved in printing.