If the president vetoes a bill passed by Congress, then Congress may in turn check presidential ...

If the president vetoes a bill passed by Congress, then Congress may in turn check presidential power by overriding the veto. What is the threshold that Congress needs to be successful with the override?
 
  a. a simple majority of either chamber
  b. a simple majority of both chambers
  c. a two-thirds majority in both chambers
  d. a two-thirds majority in only one chamber
  e. a three-fourths majority in both chambers

Question -2-

What does Congress use when the body lacks the scientific and technological expertise needed to enact a law and instead passes the buck to a bureaucratic agency?
 
  a. congressional oversight
  b. cloture
  c. legislative authority
  d. congressional review
  e. hearings

Question -3-

The president may refuse to act upon or sign a bill with which he/she is opposed. If Congress passes a bill and sends it to the president within ten days of the end of a congressional session and the president does not act on the bill, then the bill does not become law. This procedure is known as
 
  a. the pocket veto.
  b. a presidential override.
  c. a filibuster.
  d. cloture.
  e. presidential oversight.