the value of v, as t tends to 0, gives the barrier height at 0 k, unlike a p-n junction for which the value of the band gap is obtained. i also really loved her answer to the question after that one—the one about energy and environmental policy. i strongly believe that kids should have lots of free time, and since mine spend most of their day in school, i make sure that after school includes plenty of playtime. the knife has a bit of weight to it which is a good thing too. rub them and smooth through the hair ends. 