It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Finding accurate, reliable sources of information on the Internet can be a challenge. As a rule of thumb, some of the best information on the web comes from government agencies, educational institutions, and non-profit organizations. However, all sources should be carefully evaluated before you use them. An easy way to remember how to evaluate information is to apply the C.R.A.A.P Test.