Answer: The house of Representatives has the responsibility to impeach a Government official
While the Senate has the sole power to conduct impeachment trial.
The Senate has the power to approve treaties made by the Executive.
The house of Representatives have the power to investigate and carry out oversights of the Executive and Judiciary.
Both houses have the power to penalize and expel it members who disobeys the rules of both houses by two-thirds majority voting.
Explanation: The Senate is the upper chamber of the United States of America house of assembly (Congress) it contains 100members,made up of equal representation from each states making the Federation. It has the sole power to conduct impeachment trials acting as judge.
The house of Representatives is the lower chamber of Congress, made up 435 members,one of the duties of the house of Representatives is to impeach Government officials found wanting as it regards the Law or abuse of office.