When dealing with the world's present sources of energy, the two most popular forms are nuclear and energy by fossil fuels. How long will these supplies last? Are they the most effective? Is it harmful to the environment? All of these questions must be addressed. Below is a description of how these sources produce energy.
What exactly is nuclear energy? We talk about it all the time, but what is it? Nuclear energy is energy that is obtained by splitting the nuclei of atoms. The atoms of most elements are stable; they never change. Some elements, however, have nuclei that under certain conditions can be split up. This process is known as nuclear fission. When fission takes place, very large amounts of energy are released. Nuclear fission can only take place in nuclear power plants. These plants are highly expensive. The fission process takes time, and must be carefully controlled. If t
6.) Nuclear Power: Promise or Peril?; Daley, Michael J. Learner Publications Company, Minneapolis: 1997.
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