Step-by-step explanation:
A bill can be introduced at any of the houses of the Congress. If the bill in introduced at the Senates and is passed by the Senates, then the bill passes on to the House of Representatives where the members will decide and vote on the bill. If the bill is passed by the House of Representative, it is then goes on to the President for his consent. When the President put his signature and approves the bill, it becomes a law.