What were land bridges used as an explanation for?

Madalyn works in a career that involves patrolling a warehouse and monitoring the camera alarm system. robert works in a career that involves observing and arresting crime suspects. which career pathway matches each person? a. madalyn works in law enforcement services, and robert works in security and protective services. b. madalyn works in security and protective services, and robert works in corrections services. c. madalyn works in security and protective services, and robert works in law enforcement services. d. madalyn works in corrections services, and robert works in law enforcement services.