How is an excise tax different from a sales tax?

There are two basic differences between sales tax and excise tax. While excise tax is levied only on certain goods and services that are considered harmful or linked to specific health issues, sales tax is applied to a broad range of things. Also, sales tax is calculated a percentage of the sale price.

every four years the american people choose a new president, and 1988 is one of those years."

research question: do the predicted benefits of genetic enhancements outweigh the possible negative consequences of this technology?  

what information do i need to research in order to answer this question?  

-predicted benefits of genetic enhancements

-negative consequences of genetic enhancements

-existing, if any, consequences of the new technology

-possible consequences if the technology is perfected

what sources will have the information?

-scientific research documents or news articles summarizing research

-articles in science and medical journals, magazines, and electronic databases

-books

-experts at genetics: geneticists, scientists, professors

here you go have a nice day