The perennial system is less dependent on the Nile flood and allows the planting of multiple crops. (source: another brainly question)
Approximately 136 miles<span>The cities are approximately 136 miles apart, so driving would take under three hours, depending on traffic.</span>
They are believed to cause divergence of lithospheric plates at the <span>mid atlantic ridge
</span><span> The currents reallocate heat from a certain place to another through mass motion of fluid (such as molten rock or water), The difference in temperature between core and lithosphere material generate enough force for the divergence to happen.</span>
