Question: What in combination with glass fibers is used to make fiberglass?

Is When extruded as glass fiber and matted as glass wool in a way to trap air, it becomes a thermal insulating material, and when these glass fibers are embedded into an organic polymer plastic, they are a key structural reinforcement part of the composite material fiberglass. a good answer to this question?

Select from the following.
A). yes
B). no
A).