A screw is a type of simple machine. If we look closely at a screw, we see that it is really a _________ wrapped around a central core.

Awedge
Blever (B is incorrect)
Cfulcrum
Dinclined plane

Verified Answer :

I believe the answer in an inclined plane, because the ridge running along the sides run up the core. (Also, the other two answers are incorrect, so process of elimination)

DInclined Plane I think but I'm not sure though