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  1. Y

    A digital clock on a small cooking appliance keeps time by?

    A. using an internal crystal oscillator at 60 Hz. B. locking on to the power line frequency. C.creating its own 60 Hz. squarewave. D.monitoring the frequency of a quartz-timed oscillator
  2. Y

    A question about AP Chemistry 10 pts?

    I know AP Chemistry is first-year-college (I am taking it next year) I just want to know, is the content in AP Chemistry just a more in-depth venison of the stuff I learned in Chemistry 11 and Chemistry 12? Chemistry 11 means Regular Chemistry you take in grade 11 (or year 10 for u.kers)...
  3. Y

    sprokets vs. new exhaust tip for dirt bike?

    which one will give me more power and speed? should i get both?
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