PLEASE HELP IM TIMED (edg) The leader of the Senate is
the

•sergeant at arms.
•the majority party whip.
•the majority party leader.
•the president of the Senate.

Which of the following explains why scarcity is a basic fact of life a. demand will always be greater than supply b. technology has not advanced far enough yet c. there will always be too many people on earth d. people cannot make good allocation decisions