FASB, Financial Accounting Standards Board. XBRL, or eXtensible Business Reporting Language, is an XML standard for tagging business and financial reports to increase the transparency and accessibility of business information by using a uniform format.
Continental drift takes place because continents sit on crustal plates which float on the Earth's magma, and the magma has convection currents in it which push against the plates and cause them to move, slowly but inexorably.
Figure 5.4 Continental drift is explained by the convection currents of the mantle. below the solid crust of the tectonic plates. similar fossils, and rocks and landforms. created by glaciers in now widely separated. continents.