which type of fiber found in connective tissue provides flexible strength?\na reticular\nb collagen\nc…

Brief Explanations:

Collagen fibers in connective tissue offer flexible strength. They are the most abundant protein in the body and provide tensile strength while allowing some flexibility. Reticular fibers form a supportive framework, keratin is mainly in skin - related structures, and elastic fibers provide elasticity rather than flexible strength.

Answer:

B. Collagen