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the umpire decides if the batsman is out or not
decides whether a media piece is meaningful or not.
the supreme court decides
you
The Senate reviews laws and decides whether they are within the guidelines of the Constitution.
The Judicial Branch decides whether or not a law is unconstitutional.
Whether impeachments are proven or not proven is what decides the outcome of an impeachment.
The American Judicial System, part of the Senate decides which laws are constitutional.
The shape of the follicle
my mom
A judge.
Courts.