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There are many hypotheses in science which are wrong. That's perfectly all right: it's the aperture to finding out what's right. Science is a self-correcting process. -Carl Sagan |
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Sorry, this feature is for customers only. The account update feature is for students who have purchased lessons to update their accounts on the web site, retreive passwords, or provide other information. If you have never purchased lessons, you will not have an account. Here are some other resources that may help you:
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