In order to determine how the universe as a whole could fail to be contingent and in need of an explanation if everything within the universe is, two issues must be discussed; firstly whether the universe as a whole could fail to be contingent, and secondly whether it could fail to be in need of an explanation. For something to be contingent means that it may or may not have existed, so if everything in the universe is contingent then…...
Design of and an economic analysis of a stand-alone solar system for an off-grid village shop. Introduction More than a billion people live without access to electricity in developing countries. Energy has long been considered as one of the key fundamentals of modern life and if one does not have energy, then they are poor. Absence of energy influences individuals from numerous points of view, kids have less hours to study, medical clinics and facilities have no light to see…...
Ever since grade school you were taught that our solar system has nine planets. Sadly that is no longer the case; in 2006 astronomers have decided that Pluto no longer qualifies as a planet. Pluto is now considered a “Dwarf Planet” and has caused a lot of controversy among astronomers. A dwarf planet is not even considered to be a planet, and there are projected to be hundreds of them in our galaxy. Pluto is being demoted to what amounts…...
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1. What produced the iron in the Earths core and the heavier elements like gold and silver in the Earths crust? The production of iron in the earth’s mantle is like the production of iron in extremely massive stars. Shells of nuclear fusion happen in the core of the earth which produces iron, the end product of the fusion. The abundance of iron in the earth’s core is due to the fact that iron has the most stable atomic nucleus…...
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