You are able to mark your answers on tests and save your work, while on paper, you get it taken away from you.
A class can be defined<span> using another class as a foundation. In object-oriented programming terminology, one class can </span>inherit<span> fi elds and methods from another. An object that inherits from another is called a subclass, and the object it inherits from is called a superclass. A subclass extends the superclass.</span>
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http://www.microsoft.com/security/online-privacy/safely-dispose-computers-and-devices.aspx
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Answer:
force and a single particla of matter
3-4 minutes is about right is say