every ______ one - third of all senate seats are up for election.\n○ single year.\n○ two years.\n○ four…

every ______ one - third of all senate seats are up for election.\n○ single year.\n○ two years.\n○ four years.\n○ six years.

every ______ one - third of all senate seats are up for election.\n○ single year.\n○ two years.\n○ four years.\n○ six years.

Answer

Brief Explanations:

To determine the correct answer, we recall the U.S. Senate election cycle. Senate terms are 6 years, and elections are staggered so that approximately one - third of Senate seats are up for election every two years. This is a key fact about the U.S. political system (related to Politics, a subfield of Social Science).

Answer:

B. two years.