Which principle is the basis for the rule that each time a new crime scene is recorded a completely new tape or disc must be used? a. crime scene security b. locard's principle c. collecting untained evidence d. search warrant issues note: this particular question is in the forensic science field

All of the following are purposes of committees except : a. committees to ease the work load within congress b. committees serve as the eyes and ears of the president when a bill is being approved c.committees allow lawmakers to listen to supporters and opponents of bills d. committees the public to learn about key problems and issues that face the nation