The chair of the House Appropriations Committee is usually elected by the other members of the House based on committee seniority, under the control of the Speaker of the House.
The most likely true statement about the chair of the House Appropriations Committee is that he or she will have been elected by the other members of the House.
This is because the selection of a chair is determined largely based on committee seniority, where majority party members with the greatest committee seniority have the first choice at chairing the committee.
Additionally, the Speaker of the House, who is the preeminent leadership position, has significant control over the chair and vice chair selection for each committee.
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