Sci136 Syllabus

Energy Re seeded player Challenges SCI/275 October 8, 2010 The renewable nil alternatives that were presented in the pictorial matter were capacity produced by generators, which were put up by the pourboire and solar powered energy. The generators that atomic take 18 apply are hundreds of feet tall with four-spot precise huge fan blades. These blades produce electricity from the mightiness of the wind that make the blades rotate very fast. Solar powered energy is a form of electricity that is produced when solar panels are pose down to charge by the sun light. These panels see the UV rays from the sun and then make the gears turn in the generators subordinate up to them to produce electricity. Today, the biggest challenge is the cost of the keep own(prenominal) to operate these new energy beginnings. The cost of these solar panels faecal matter be expensive. People with a strict and find income allow for have a hard time loiter aboutting these p anels. Geothermal energy is another energy alternative source that is not mentioned in the video. Geothermal energy is when in that location is victimization of underground heat that rises to, or near to, the earths surface. The steam that is produced by the underground heat is purified and is used to charge turbines, which power electric generators.

I believe that the most heavy(a) challenge we face of using the non-renewable energy resources are how we rotter predict how much of one specific resource allow for be left after we start using it. This comes from the difficultness we f ace with the shortages of some non-renewable! energy sources we use now much(prenominal) as crude colour. There is a fixed amount of burn oil and gas in the world and when we have used it all, there is no more. That is why they are called Non-renewable resources. Three greenness challenges of non-renewable elicit are: coal uses and releases carbons into the atmosphere; finding and harvest-home enough oil to supply the exuberate use in the fall in States; and maintaining and observe the natural gas lines to prevent leaks and explosions....

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