A conference committee is made up of those members from the House and Senate that originally considered the bill.    So the answer is: C. joint committees perform investigative or house keeping duties; conference committees iron out differences in bills from both houses. .7 people found this useful. conference committee is made up of those members from the House and Senate that originally considered the bill.    So the answer is: C. joint committees perform investigative or house keeping duties; conference committees iron out differences in bills from both houses. . 7 people found this useful.
Located along the Pacific Coast 16 miles from downtown Los Angeles, LAX (as it's usually referred to) serves as a hub for a handful of carriers, including the three major US airlines (American, Delta and United) in addition to being a focus airport for several more.
All are, of course, major hubs. The busiest freight airports in the US are Memphis, Anchorage, and Louisville KY. List of the world's busiest airports by cargo traffic. This is due to FedEx in Memphis, UPS in Louisville, and a number of cargo carriers for Asia and the Pacific in Anchorage.