Outline the process of how a bill passes through Congress include the procedure if the bill is amended after having passed either the House of Representatives or the senate

Mark works as a freelance forensic scientist. he accepts cases on a contingency basis, which means that he is paid if a guilty verdict is returned based on the evidence he processes. which of the guiding principles has mark violated? mark has violated the guiding principle, which states that forensic scientists should refuse any cases on a contingency fee basis.