<span>The answer to the question (above) is letter b. or the second option. *The Chief Justice and associate justices serve for life or until resignation. </span>
<span>The court normally composes the Chief Justice
of the US and eight associate justices. They are nominated by the President and
confirmed by the Senate. The justices, once appointed have life tenure unless
they retire, resign or are removed (after impeachment).</span>