as the name implies, the ______________ joists are just plain joists. these joists make up the majority of…

as the name implies, the ______________ joists are just plain joists. these joists make up the majority of the floor framing system.\n\nperimeter joists\n\nheader joists\n\ncommon joists

as the name implies, the ______________ joists are just plain joists. these joists make up the majority of the floor framing system.\n\nperimeter joists\n\nheader joists\n\ncommon joists

Answer

Answer:

C. Common Joists

Brief Explanations:

The description mentions they are plain joists making up most of the floor - framing system, which aligns with common joists. Perimeter joists are around the edge, and header joists span openings, while common joists are the main, regular ones.