13. The members installed vertically over and under a window opening are called
studs.
a. Cripple
b. Valley
C. Ridge

Respuesta :

Explanation:

Cripples are vertical framing members that support a sill or saddle.

They are installed at points where a common stud would have stood if not for the window opening.

Cripples provide support for the window and the sill it rests on.