A(n) committee is created to reconcile differences in bills passed by the house and senate.

The answer is "conference committee".

Conference committee refers to a board of the US Congress designated by the House of Representatives and Senate to determine differences on a specific bill. A conference committee  is normally made out of senior Individuals from the standing committees of each House that initially thought about the enactment.

was the answer correct?

the chair is the committee member from the majority party who has the most seniority. in the south carolina senate, the chair is the committee member from the majority party who has the most committee seniority.