Why does the supreme court only listen to a small percentage of cases every year?

Prices for products became more affordable as a result of new forms of ,witch got things to market faster and cheaper

The procedures for reporting potential unanticipated problems involving risk to subjects or others to the irb are: stated in the human subject protection regulations, but not in the drug or device regulationsincluded in the consent processdetermined by research staffdetermined by the institution in its written policies and procedures

Restricting immigrants from entering a country may be based on what belief?