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If we give a peice of gold negative charge and shine long wave, low frequency, electro-magnetic (E-M) radiation on it (for example radio waves) absolutely nothing will happen.

If you star...

For the exams, the definition you will need to know is that "diffusion is the net movement of a substance from an area of high concentration to an area of low concentration, down a diffusion gradi...

I believe that the best way to begin a personal statement is to immediately begin with an interesting point about yourself that relates to the degree you're applying for. Beginning with "I want to st...