Fossil fuels contain energy stored millions of years ago.

What happened in the 2000 election of al gore vs bush

Articles of the confederation is a good representation of a system of government.

Which is relatively better: a score of 76 on a psychology test or a score of 22 on an economics test? scores on the psychology test have a mean of 90 and a standard deviation of 13. scores on the economics test have a mean of 52 and a standard deviation of 10.