Based on its role as outlined in the us constitution, which function is most commonly carried out by the house of representatives?

electing a president in a deadlock
impeaching a federal employee
reviewing senate tax bills
creating bills

creating bills - that later becomes law through a process.

Explanation:

The house of representative [with the senate] are part of the two legislative bodies of the congress, whose primary responsibility is to make laws.  

Bills, either initiated by them or from other citizens of the country are processed through stipulated stages before they can be approved by the president and signed into law.  

The federal courts then checks the new law to see if it properly aligns with the constitution of the nation. When the new law if deemed unconstitutional, it can be taken down by the courts.  

"quid pro quo" harassment takes place when a supervisor requires sex, sexual favors, or sexual contact from an employee/job candidate as a condition of their employment. only supervisors who have the authority to make tangible employment actions (i.e. hire, fire, promote, can commit "quid pro quo" harassment.